Finding the Fourth Proportional to 6,904,377.12, 9,532,122.48 and 6,138,310.08
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Solution
The fourth proportional to 6,904,377.12, 9,532,122.48 and 6,138,310.08 is: 8,474,497.05
Step by Step Solution
- Step 1: Write the proportion equation
6,904,377.12 : 9,532,122.48 = 6,138,310.08 : x - Step 2: Convert to fraction form
6,904,377.12/9,532,122.48 = 6,138,310.08/x - Step 3: Cross multiply
6,904,377.12x = 9,532,122.48 × 6,138,310.08 - Step 4: Simplify right side
6,904,377.12x = 58,511,123,502,778.60 - Step 5: Solve for x
x = 58,511,123,502,778.60/6,904,377.12 - Step 6: Final answer
x = 8,474,497.05
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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.