Home / 20,146,780.60-30,155,873.10-15,895,252.60

Finding the Fourth Proportional to 20,146,780.60, 30,155,873.10 and 15,895,252.60

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Solution

The fourth proportional to 20,146,780.60, 30,155,873.10 and 15,895,252.60 is: 23,792,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,780.60 : 30,155,873.10 = 15,895,252.60 : x
  2. Step 2: Convert to fraction form
    20,146,780.60/30,155,873.10 = 15,895,252.60/x
  3. Step 3: Cross multiply
    20,146,780.60x = 30,155,873.10 × 15,895,252.60
  4. Step 4: Simplify right side
    20,146,780.60x = 479,335,220,298,045.06
  5. Step 5: Solve for x
    x = 479,335,220,298,045.06/20,146,780.60
  6. Step 6: Final answer
    x = 23,792,149.71

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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.