Finding the Fourth Proportional to 7,679,331.91, 11,514,541.41 and 3,635,785.81
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Solution
The fourth proportional to 7,679,331.91, 11,514,541.41 and 3,635,785.81 is: 5,451,568.80
Step by Step Solution
- Step 1: Write the proportion equation
7,679,331.91 : 11,514,541.41 = 3,635,785.81 : x - Step 2: Convert to fraction form
7,679,331.91/11,514,541.41 = 3,635,785.81/x - Step 3: Cross multiply
7,679,331.91x = 11,514,541.41 × 3,635,785.81 - Step 4: Simplify right side
7,679,331.91x = 41,864,406,267,135.39 - Step 5: Solve for x
x = 41,864,406,267,135.39/7,679,331.91 - Step 6: Final answer
x = 5,451,568.80
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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.