Home / 18,049,937.60-27,072,001.20-5,267,446.40

Finding the Fourth Proportional to 18,049,937.60, 27,072,001.20 and 5,267,446.40

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Solution

The fourth proportional to 18,049,937.60, 27,072,001.20 and 5,267,446.40 is: 7,900,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049,937.60 : 27,072,001.20 = 5,267,446.40 : x
  2. Step 2: Convert to fraction form
    18,049,937.60/27,072,001.20 = 5,267,446.40/x
  3. Step 3: Cross multiply
    18,049,937.60x = 27,072,001.20 × 5,267,446.40
  4. Step 4: Simplify right side
    18,049,937.60x = 142,600,315,261,735.69
  5. Step 5: Solve for x
    x = 142,600,315,261,735.69/18,049,937.60
  6. Step 6: Final answer
    x = 7,900,321.79

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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.