Finding the Fourth Proportional to 8,744,639.52, 12,067,618.64 and 4,877,409.95
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Solution
The fourth proportional to 8,744,639.52, 12,067,618.64 and 4,877,409.95 is: 6,730,834.70
Step by Step Solution
- Step 1: Write the proportion equation
8,744,639.52 : 12,067,618.64 = 4,877,409.95 : x - Step 2: Convert to fraction form
8,744,639.52/12,067,618.64 = 4,877,409.95/x - Step 3: Cross multiply
8,744,639.52x = 12,067,618.64 × 4,877,409.95 - Step 4: Simplify right side
8,744,639.52x = 58,858,723,188,069.90 - Step 5: Solve for x
x = 58,858,723,188,069.90/8,744,639.52 - Step 6: Final answer
x = 6,730,834.70
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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.