Home / 13,799,761.50-20,672,261.13-6,503,229.66

Finding the Fourth Proportional to 13,799,761.50, 20,672,261.13 and 6,503,229.66

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Solution

The fourth proportional to 13,799,761.50, 20,672,261.13 and 6,503,229.66 is: 9,741,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,761.50 : 20,672,261.13 = 6,503,229.66 : x
  2. Step 2: Convert to fraction form
    13,799,761.50/20,672,261.13 = 6,503,229.66/x
  3. Step 3: Cross multiply
    13,799,761.50x = 20,672,261.13 × 6,503,229.66
  4. Step 4: Simplify right side
    13,799,761.50x = 134,436,461,719,881.11
  5. Step 5: Solve for x
    x = 134,436,461,719,881.11/13,799,761.50
  6. Step 6: Final answer
    x = 9,741,940.95

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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.