Finding the Fourth Proportional to 11,079,650.43, 16,625,327.09 and 7,861,979.90
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Solution
The fourth proportional to 11,079,650.43, 16,625,327.09 and 7,861,979.90 is: 11,797,121.96
Step by Step Solution
- Step 1: Write the proportion equation
11,079,650.43 : 16,625,327.09 = 7,861,979.90 : x - Step 2: Convert to fraction form
11,079,650.43/16,625,327.09 = 7,861,979.90/x - Step 3: Cross multiply
11,079,650.43x = 16,625,327.09 × 7,861,979.90 - Step 4: Simplify right side
11,079,650.43x = 130,707,987,414,758.91 - Step 5: Solve for x
x = 130,707,987,414,758.91/11,079,650.43 - Step 6: Final answer
x = 11,797,121.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.