Home / 12,244,201.20-18,345,306.60-7,982,175.60

Finding the Fourth Proportional to 12,244,201.20, 18,345,306.60 and 7,982,175.60

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Solution

The fourth proportional to 12,244,201.20, 18,345,306.60 and 7,982,175.60 is: 11,959,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244,201.20 : 18,345,306.60 = 7,982,175.60 : x
  2. Step 2: Convert to fraction form
    12,244,201.20/18,345,306.60 = 7,982,175.60/x
  3. Step 3: Cross multiply
    12,244,201.20x = 18,345,306.60 × 7,982,175.60
  4. Step 4: Simplify right side
    12,244,201.20x = 146,435,458,717,038.97
  5. Step 5: Solve for x
    x = 146,435,458,717,038.97/12,244,201.20
  6. Step 6: Final answer
    x = 11,959,576.32

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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.