Finding the Fourth Proportional to 10,548,174.77, 15,822,874.47 and 4,071,286.09
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Solution
The fourth proportional to 10,548,174.77, 15,822,874.47 and 4,071,286.09 is: 6,107,165.47
Step by Step Solution
- Step 1: Write the proportion equation
10,548,174.77 : 15,822,874.47 = 4,071,286.09 : x - Step 2: Convert to fraction form
10,548,174.77/15,822,874.47 = 4,071,286.09/x - Step 3: Cross multiply
10,548,174.77x = 15,822,874.47 × 4,071,286.09 - Step 4: Simplify right side
10,548,174.77x = 64,419,448,654,412.75 - Step 5: Solve for x
x = 64,419,448,654,412.75/10,548,174.77 - Step 6: Final answer
x = 6,107,165.47
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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.