Finding the Fourth Proportional to 8,882,371.70, 13,305,842.85 and 5,091,425.90
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Solution
The fourth proportional to 8,882,371.70, 13,305,842.85 and 5,091,425.90 is: 7,626,984.68
Step by Step Solution
- Step 1: Write the proportion equation
8,882,371.70 : 13,305,842.85 = 5,091,425.90 : x - Step 2: Convert to fraction form
8,882,371.70/13,305,842.85 = 5,091,425.90/x - Step 3: Cross multiply
8,882,371.70x = 13,305,842.85 × 5,091,425.90 - Step 4: Simplify right side
8,882,371.70x = 67,745,712,907,819.82 - Step 5: Solve for x
x = 67,745,712,907,819.82/8,882,371.70 - Step 6: Final answer
x = 7,626,984.68
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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.