Finding the Fourth Proportional to 7,508,651.76, 10,361,876.92 and 4,246,107.12
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Solution
The fourth proportional to 7,508,651.76, 10,361,876.92 and 4,246,107.12 is: 5,859,592.48
Step by Step Solution
- Step 1: Write the proportion equation
7,508,651.76 : 10,361,876.92 = 4,246,107.12 : x - Step 2: Convert to fraction form
7,508,651.76/10,361,876.92 = 4,246,107.12/x - Step 3: Cross multiply
7,508,651.76x = 10,361,876.92 × 4,246,107.12 - Step 4: Simplify right side
7,508,651.76x = 43,997,639,366,575.67 - Step 5: Solve for x
x = 43,997,639,366,575.67/7,508,651.76 - Step 6: Final answer
x = 5,859,592.48
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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.