Finding the Fourth Proportional to 18,000,981.75, 24,841,420.26 and 9,741,043.17
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Solution
The fourth proportional to 18,000,981.75, 24,841,420.26 and 9,741,043.17 is: 13,442,674.99
Step by Step Solution
- Step 1: Write the proportion equation
18,000,981.75 : 24,841,420.26 = 9,741,043.17 : x - Step 2: Convert to fraction form
18,000,981.75/24,841,420.26 = 9,741,043.17/x - Step 3: Cross multiply
18,000,981.75x = 24,841,420.26 × 9,741,043.17 - Step 4: Simplify right side
18,000,981.75x = 241,981,347,156,772.62 - Step 5: Solve for x
x = 241,981,347,156,772.62/18,000,981.75 - Step 6: Final answer
x = 13,442,674.99
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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.