Finding the Fourth Proportional to 10,440,520.99, 15,654,711.53 and 6,986,207.80
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Solution
The fourth proportional to 10,440,520.99, 15,654,711.53 and 6,986,207.80 is: 10,475,250.02
Step by Step Solution
- Step 1: Write the proportion equation
10,440,520.99 : 15,654,711.53 = 6,986,207.80 : x - Step 2: Convert to fraction form
10,440,520.99/15,654,711.53 = 6,986,207.80/x - Step 3: Cross multiply
10,440,520.99x = 15,654,711.53 × 6,986,207.80 - Step 4: Simplify right side
10,440,520.99x = 109,367,067,707,314.67 - Step 5: Solve for x
x = 109,367,067,707,314.67/10,440,520.99 - Step 6: Final answer
x = 10,475,250.02
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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.