Finding the Fourth Proportional to 8,343,651.96, 12,517,430.75 and 2,586,084.68
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Solution
The fourth proportional to 8,343,651.96, 12,517,430.75 and 2,586,084.68 is: 3,879,732.29
Step by Step Solution
- Step 1: Write the proportion equation
8,343,651.96 : 12,517,430.75 = 2,586,084.68 : x - Step 2: Convert to fraction form
8,343,651.96/12,517,430.75 = 2,586,084.68/x - Step 3: Cross multiply
8,343,651.96x = 12,517,430.75 × 2,586,084.68 - Step 4: Simplify right side
8,343,651.96x = 32,371,135,895,535.91 - Step 5: Solve for x
x = 32,371,135,895,535.91/8,343,651.96 - Step 6: Final answer
x = 3,879,732.29
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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.