Home / 38,238,847.38-52,769,616.96-20,835,192.60

Finding the Fourth Proportional to 38,238,847.38, 52,769,616.96 and 20,835,192.60

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Solution

The fourth proportional to 38,238,847.38, 52,769,616.96 and 20,835,192.60 is: 28,752,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,847.38 : 52,769,616.96 = 20,835,192.60 : x
  2. Step 2: Convert to fraction form
    38,238,847.38/52,769,616.96 = 20,835,192.60/x
  3. Step 3: Cross multiply
    38,238,847.38x = 52,769,616.96 × 20,835,192.60
  4. Step 4: Simplify right side
    38,238,847.38x = 1,099,465,132,789,826.62
  5. Step 5: Solve for x
    x = 1,099,465,132,789,826.62/38,238,847.38
  6. Step 6: Final answer
    x = 28,752,569.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.