Finding the Fourth Proportional to 7,639,753.95, 11,464,344.49 and 3,540,310.95
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Solution
The fourth proportional to 7,639,753.95, 11,464,344.49 and 3,540,310.95 is: 5,312,650.72
Step by Step Solution
- Step 1: Write the proportion equation
7,639,753.95 : 11,464,344.49 = 3,540,310.95 : x - Step 2: Convert to fraction form
7,639,753.95/11,464,344.49 = 3,540,310.95/x - Step 3: Cross multiply
7,639,753.95x = 11,464,344.49 × 3,540,310.95 - Step 4: Simplify right side
7,639,753.95x = 40,587,344,332,519.17 - Step 5: Solve for x
x = 40,587,344,332,519.17/7,639,753.95 - Step 6: Final answer
x = 5,312,650.72
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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.