Finding the Fourth Proportional to 7,455,865.92, 11,165,861.44 and 4,251,276.80
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Solution
The fourth proportional to 7,455,865.92, 11,165,861.44 and 4,251,276.80 is: 6,366,687.41
Step by Step Solution
- Step 1: Write the proportion equation
7,455,865.92 : 11,165,861.44 = 4,251,276.80 : x - Step 2: Convert to fraction form
7,455,865.92/11,165,861.44 = 4,251,276.80/x - Step 3: Cross multiply
7,455,865.92x = 11,165,861.44 × 4,251,276.80 - Step 4: Simplify right side
7,455,865.92x = 47,469,167,691,886.59 - Step 5: Solve for x
x = 47,469,167,691,886.59/7,455,865.92 - Step 6: Final answer
x = 6,366,687.41
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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.