Finding the Fourth Proportional to 8,496,818.87, 12,745,240.36 and 6,486,476.99
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Solution
The fourth proportional to 8,496,818.87, 12,745,240.36 and 6,486,476.99 is: 9,729,724.68
Step by Step Solution
- Step 1: Write the proportion equation
8,496,818.87 : 12,745,240.36 = 6,486,476.99 : x - Step 2: Convert to fraction form
8,496,818.87/12,745,240.36 = 6,486,476.99/x - Step 3: Cross multiply
8,496,818.87x = 12,745,240.36 × 6,486,476.99 - Step 4: Simplify right side
8,496,818.87x = 82,671,708,247,216.92 - Step 5: Solve for x
x = 82,671,708,247,216.92/8,496,818.87 - Step 6: Final answer
x = 9,729,724.68
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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.