Home / 18,389,534.60-27,584,301.90-15,519,753.20

Finding the Fourth Proportional to 18,389,534.60, 27,584,301.90 and 15,519,753.20

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Solution

The fourth proportional to 18,389,534.60, 27,584,301.90 and 15,519,753.20 is: 23,279,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,534.60 : 27,584,301.90 = 15,519,753.20 : x
  2. Step 2: Convert to fraction form
    18,389,534.60/27,584,301.90 = 15,519,753.20/x
  3. Step 3: Cross multiply
    18,389,534.60x = 27,584,301.90 × 15,519,753.20
  4. Step 4: Simplify right side
    18,389,534.60x = 428,101,557,682,291.06
  5. Step 5: Solve for x
    x = 428,101,557,682,291.06/18,389,534.60
  6. Step 6: Final answer
    x = 23,279,629.80

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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.