Finding the Fourth Proportional to 7,679,331.68, 11,514,541.02 and 3,635,785.55
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Solution
The fourth proportional to 7,679,331.68, 11,514,541.02 and 3,635,785.55 is: 5,451,568.39
Step by Step Solution
- Step 1: Write the proportion equation
7,679,331.68 : 11,514,541.02 = 3,635,785.55 : x - Step 2: Convert to fraction form
7,679,331.68/11,514,541.02 = 3,635,785.55/x - Step 3: Cross multiply
7,679,331.68x = 11,514,541.02 × 3,635,785.55 - Step 4: Simplify right side
7,679,331.68x = 41,864,401,797,825.55 - Step 5: Solve for x
x = 41,864,401,797,825.55/7,679,331.68 - Step 6: Final answer
x = 5,451,568.39
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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.