Finding the Fourth Proportional to 71,427,470.81, 107,115,516.28 and 24,728,276.21
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Solution
The fourth proportional to 71,427,470.81, 107,115,516.28 and 24,728,276.21 is: 37,083,520.43
Step by Step Solution
- Step 1: Write the proportion equation
71,427,470.81 : 107,115,516.28 = 24,728,276.21 : x - Step 2: Convert to fraction form
71,427,470.81/107,115,516.28 = 24,728,276.21/x - Step 3: Cross multiply
71,427,470.81x = 107,115,516.28 × 24,728,276.21 - Step 4: Simplify right side
71,427,470.81x = 2,648,782,072,948,592 - Step 5: Solve for x
x = 2,648,782,072,948,592/71,427,470.81 - Step 6: Final answer
x = 37,083,520.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.