Finding the Fourth Proportional to 13,981,082.10, 20,972,370.48 and 4,397,207.96
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Solution
The fourth proportional to 13,981,082.10, 20,972,370.48 and 4,397,207.96 is: 6,596,046.99
Step by Step Solution
- Step 1: Write the proportion equation
13,981,082.10 : 20,972,370.48 = 4,397,207.96 : x - Step 2: Convert to fraction form
13,981,082.10/20,972,370.48 = 4,397,207.96/x - Step 3: Cross multiply
13,981,082.10x = 20,972,370.48 × 4,397,207.96 - Step 4: Simplify right side
13,981,082.10x = 92,219,874,414,725.02 - Step 5: Solve for x
x = 92,219,874,414,725.02/13,981,082.10 - Step 6: Final answer
x = 6,596,046.99
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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.