Home / 18,664,620.60-27,996,930.90-15,475,974.60

Finding the Fourth Proportional to 18,664,620.60, 27,996,930.90 and 15,475,974.60

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Solution

The fourth proportional to 18,664,620.60, 27,996,930.90 and 15,475,974.60 is: 23,213,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,620.60 : 27,996,930.90 = 15,475,974.60 : x
  2. Step 2: Convert to fraction form
    18,664,620.60/27,996,930.90 = 15,475,974.60/x
  3. Step 3: Cross multiply
    18,664,620.60x = 27,996,930.90 × 15,475,974.60
  4. Step 4: Simplify right side
    18,664,620.60x = 433,279,791,486,355.12
  5. Step 5: Solve for x
    x = 433,279,791,486,355.12/18,664,620.60
  6. Step 6: Final answer
    x = 23,213,961.90

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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.