Finding the Fourth Proportional to 52,581,510.95, 72,561,148.29 and 29,376,812.18
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Solution
The fourth proportional to 52,581,510.95, 72,561,148.29 and 29,376,812.18 is: 40,539,253.94
Step by Step Solution
- Step 1: Write the proportion equation
52,581,510.95 : 72,561,148.29 = 29,376,812.18 : x - Step 2: Convert to fraction form
52,581,510.95/72,561,148.29 = 29,376,812.18/x - Step 3: Cross multiply
52,581,510.95x = 72,561,148.29 × 29,376,812.18 - Step 4: Simplify right side
52,581,510.95x = 2,131,615,224,517,652.75 - Step 5: Solve for x
x = 2,131,615,224,517,652.75/52,581,510.95 - Step 6: Final answer
x = 40,539,253.94
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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.