Home / 18,144,977.40-27,217,466.10-15,681,540.60

Finding the Fourth Proportional to 18,144,977.40, 27,217,466.10 and 15,681,540.60

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Solution

The fourth proportional to 18,144,977.40, 27,217,466.10 and 15,681,540.60 is: 23,522,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,977.40 : 27,217,466.10 = 15,681,540.60 : x
  2. Step 2: Convert to fraction form
    18,144,977.40/27,217,466.10 = 15,681,540.60/x
  3. Step 3: Cross multiply
    18,144,977.40x = 27,217,466.10 × 15,681,540.60
  4. Step 4: Simplify right side
    18,144,977.40x = 426,811,799,676,273.69
  5. Step 5: Solve for x
    x = 426,811,799,676,273.69/18,144,977.40
  6. Step 6: Final answer
    x = 23,522,310.90

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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.