Home / 18,039,529.60-27,027,801.60-15,520,105.60

Finding the Fourth Proportional to 18,039,529.60, 27,027,801.60 and 15,520,105.60

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Solution

The fourth proportional to 18,039,529.60, 27,027,801.60 and 15,520,105.60 is: 23,253,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039,529.60 : 27,027,801.60 = 15,520,105.60 : x
  2. Step 2: Convert to fraction form
    18,039,529.60/27,027,801.60 = 15,520,105.60/x
  3. Step 3: Cross multiply
    18,039,529.60x = 27,027,801.60 × 15,520,105.60
  4. Step 4: Simplify right side
    18,039,529.60x = 419,474,334,967,849
  5. Step 5: Solve for x
    x = 419,474,334,967,849/18,039,529.60
  6. Step 6: Final answer
    x = 23,253,063.93

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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.