Finding the Fourth Proportional to 39,436,390.71, 54,412,892.49 and 22,906,693.56
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Solution
The fourth proportional to 39,436,390.71, 54,412,892.49 and 22,906,693.56 is: 31,605,819.69
Step by Step Solution
- Step 1: Write the proportion equation
39,436,390.71 : 54,412,892.49 = 22,906,693.56 : x - Step 2: Convert to fraction form
39,436,390.71/54,412,892.49 = 22,906,693.56/x - Step 3: Cross multiply
39,436,390.71x = 54,412,892.49 × 22,906,693.56 - Step 4: Simplify right side
39,436,390.71x = 1,246,419,453,981,655.25 - Step 5: Solve for x
x = 1,246,419,453,981,655.25/39,436,390.71 - Step 6: Final answer
x = 31,605,819.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.