Home / 18,132,348.10-27,174,902.55-7,340,815.30

Finding the Fourth Proportional to 18,132,348.10, 27,174,902.55 and 7,340,815.30

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Solution

The fourth proportional to 18,132,348.10, 27,174,902.55 and 7,340,815.30 is: 11,001,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,348.10 : 27,174,902.55 = 7,340,815.30 : x
  2. Step 2: Convert to fraction form
    18,132,348.10/27,174,902.55 = 7,340,815.30/x
  3. Step 3: Cross multiply
    18,132,348.10x = 27,174,902.55 × 7,340,815.30
  4. Step 4: Simplify right side
    18,132,348.10x = 199,485,940,415,049
  5. Step 5: Solve for x
    x = 199,485,940,415,049/18,132,348.10
  6. Step 6: Final answer
    x = 11,001,660.64

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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.