Finding the Fourth Proportional to 22,034,380.67, 30,375,397.53 and 15,398,366.69
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Solution
The fourth proportional to 22,034,380.67, 30,375,397.53 and 15,398,366.69 is: 21,227,349.95
Step by Step Solution
- Step 1: Write the proportion equation
22,034,380.67 : 30,375,397.53 = 15,398,366.69 : x - Step 2: Convert to fraction form
22,034,380.67/30,375,397.53 = 15,398,366.69/x - Step 3: Cross multiply
22,034,380.67x = 30,375,397.53 × 15,398,366.69 - Step 4: Simplify right side
22,034,380.67x = 467,731,509,369,583.31 - Step 5: Solve for x
x = 467,731,509,369,583.31/22,034,380.67 - Step 6: Final answer
x = 21,227,349.95
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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.