Finding the Fourth Proportional to 8,753,837.33, 12,081,320.19 and 7,281,147.68
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Solution
The fourth proportional to 8,753,837.33, 12,081,320.19 and 7,281,147.68 is: 10,048,836.08
Step by Step Solution
- Step 1: Write the proportion equation
8,753,837.33 : 12,081,320.19 = 7,281,147.68 : x - Step 2: Convert to fraction form
8,753,837.33/12,081,320.19 = 7,281,147.68/x - Step 3: Cross multiply
8,753,837.33x = 12,081,320.19 × 7,281,147.68 - Step 4: Simplify right side
8,753,837.33x = 87,965,876,412,349.05 - Step 5: Solve for x
x = 87,965,876,412,349.05/8,753,837.33 - Step 6: Final answer
x = 10,048,836.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.