Finding the Fourth Proportional to 6,904,315.62, 9,532,037.72 and 6,138,248.70
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Solution
The fourth proportional to 6,904,315.62, 9,532,037.72 and 6,138,248.70 is: 8,474,412.43
Step by Step Solution
- Step 1: Write the proportion equation
6,904,315.62 : 9,532,037.72 = 6,138,248.70 : x - Step 2: Convert to fraction form
6,904,315.62/9,532,037.72 = 6,138,248.70/x - Step 3: Cross multiply
6,904,315.62x = 9,532,037.72 × 6,138,248.70 - Step 4: Simplify right side
6,904,315.62x = 58,510,018,143,140.97 - Step 5: Solve for x
x = 58,510,018,143,140.97/6,904,315.62 - Step 6: Final answer
x = 8,474,412.43
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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.