Home / 38,238,866.27-57,375,251.38-20,038,734.28

Finding the Fourth Proportional to 38,238,866.27, 57,375,251.38 and 20,038,734.28

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Solution

The fourth proportional to 38,238,866.27, 57,375,251.38 and 20,038,734.28 is: 30,066,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,866.27 : 57,375,251.38 = 20,038,734.28 : x
  2. Step 2: Convert to fraction form
    38,238,866.27/57,375,251.38 = 20,038,734.28/x
  3. Step 3: Cross multiply
    38,238,866.27x = 57,375,251.38 × 20,038,734.28
  4. Step 4: Simplify right side
    38,238,866.27x = 1,149,727,416,365,147
  5. Step 5: Solve for x
    x = 1,149,727,416,365,147/38,238,866.27
  6. Step 6: Final answer
    x = 30,066,984.95

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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.