Finding the Fourth Proportional to 29,160,864.14, 40,243,214.27 and 16,770,965.96
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Solution
The fourth proportional to 29,160,864.14, 40,243,214.27 and 16,770,965.96 is: 23,144,635.69
Step by Step Solution
- Step 1: Write the proportion equation
29,160,864.14 : 40,243,214.27 = 16,770,965.96 : x - Step 2: Convert to fraction form
29,160,864.14/40,243,214.27 = 16,770,965.96/x - Step 3: Cross multiply
29,160,864.14x = 40,243,214.27 × 16,770,965.96 - Step 4: Simplify right side
29,160,864.14x = 674,917,576,785,691.75 - Step 5: Solve for x
x = 674,917,576,785,691.75/29,160,864.14 - Step 6: Final answer
x = 23,144,635.69
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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.