Home / 29,191,743.60-43,787,615.40-18,442,201.20

Finding the Fourth Proportional to 29,191,743.60, 43,787,615.40 and 18,442,201.20

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Solution

The fourth proportional to 29,191,743.60, 43,787,615.40 and 18,442,201.20 is: 27,663,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191,743.60 : 43,787,615.40 = 18,442,201.20 : x
  2. Step 2: Convert to fraction form
    29,191,743.60/43,787,615.40 = 18,442,201.20/x
  3. Step 3: Cross multiply
    29,191,743.60x = 43,787,615.40 × 18,442,201.20
  4. Step 4: Simplify right side
    29,191,743.60x = 807,540,013,275,018.38
  5. Step 5: Solve for x
    x = 807,540,013,275,018.38/29,191,743.60
  6. Step 6: Final answer
    x = 27,663,301.80

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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.