Home / 18,461,187.40-27,691,781.10-6,329,023.60

Finding the Fourth Proportional to 18,461,187.40, 27,691,781.10 and 6,329,023.60

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Solution

The fourth proportional to 18,461,187.40, 27,691,781.10 and 6,329,023.60 is: 9,493,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,187.40 : 27,691,781.10 = 6,329,023.60 : x
  2. Step 2: Convert to fraction form
    18,461,187.40/27,691,781.10 = 6,329,023.60/x
  3. Step 3: Cross multiply
    18,461,187.40x = 27,691,781.10 × 6,329,023.60
  4. Step 4: Simplify right side
    18,461,187.40x = 175,261,936,107,933.97
  5. Step 5: Solve for x
    x = 175,261,936,107,933.97/18,461,187.40
  6. Step 6: Final answer
    x = 9,493,535.40

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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.