| a | × | 19 400 | × | 1032956 | + | 1032956 | = | 12 | a | × | 9876 |
| 方程左边 = | a | × | 4906541 100 | + | 1032956 |
4906541 100 | a | + | 1032956 | = | 12 | a | × | 9876 |
| 方程右边 = | 118512 | a |
4906541 100 | a | + | 1032956 | = | 118512 | a |
4906541 100 | a | − | 118512 | a | = | - | 1032956 |
| - | 6944659 100 | a | = | - | 1032956 |
| 1032956 | = | 6944659 100 | a |
6944659 100 | a | = | 1032956 |
| a | = | 1032956 | ÷ | 6944659 100 |
| = | 1032956 | × | 100 6944659 |
| a | = | 103295600 6944659 |
| a | = | 14.874107 |