Home / 13,491,209.40-20,229,815.70-4,967,158.20

Finding the Fourth Proportional to 13,491,209.40, 20,229,815.70 and 4,967,158.20

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Solution

The fourth proportional to 13,491,209.40, 20,229,815.70 and 4,967,158.20 is: 7,448,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,209.40 : 20,229,815.70 = 4,967,158.20 : x
  2. Step 2: Convert to fraction form
    13,491,209.40/20,229,815.70 = 4,967,158.20/x
  3. Step 3: Cross multiply
    13,491,209.40x = 20,229,815.70 × 4,967,158.20
  4. Step 4: Simplify right side
    13,491,209.40x = 100,484,694,938,743.73
  5. Step 5: Solve for x
    x = 100,484,694,938,743.73/13,491,209.40
  6. Step 6: Final answer
    x = 7,448,160.65

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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.