Finding the Fourth Proportional to 7,553,349.92, 10,423,624.39 and 4,115,590.95
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Solution
The fourth proportional to 7,553,349.92, 10,423,624.39 and 4,115,590.95 is: 5,679,516.33
Step by Step Solution
- Step 1: Write the proportion equation
7,553,349.92 : 10,423,624.39 = 4,115,590.95 : x - Step 2: Convert to fraction form
7,553,349.92/10,423,624.39 = 4,115,590.95/x - Step 3: Cross multiply
7,553,349.92x = 10,423,624.39 × 4,115,590.95 - Step 4: Simplify right side
7,553,349.92x = 42,899,374,234,482.88 - Step 5: Solve for x
x = 42,899,374,234,482.88/7,553,349.92 - Step 6: Final answer
x = 5,679,516.33
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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.