Home / 12,107,107.28-18,160,726.52-3,587,517.52

Finding the Fourth Proportional to 12,107,107.28, 18,160,726.52 and 3,587,517.52

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Solution

The fourth proportional to 12,107,107.28, 18,160,726.52 and 3,587,517.52 is: 5,381,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107,107.28 : 18,160,726.52 = 3,587,517.52 : x
  2. Step 2: Convert to fraction form
    12,107,107.28/18,160,726.52 = 3,587,517.52/x
  3. Step 3: Cross multiply
    12,107,107.28x = 18,160,726.52 × 3,587,517.52
  4. Step 4: Simplify right side
    12,107,107.28x = 65,151,924,566,428.63
  5. Step 5: Solve for x
    x = 65,151,924,566,428.63/12,107,107.28
  6. Step 6: Final answer
    x = 5,381,295.72

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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.