Home / 48,587,796.40-72,909,688.20-18,317,383.60

Finding the Fourth Proportional to 48,587,796.40, 72,909,688.20 and 18,317,383.60

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Solution

The fourth proportional to 48,587,796.40, 72,909,688.20 and 18,317,383.60 is: 27,486,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587,796.40 : 72,909,688.20 = 18,317,383.60 : x
  2. Step 2: Convert to fraction form
    48,587,796.40/72,909,688.20 = 18,317,383.60/x
  3. Step 3: Cross multiply
    48,587,796.40x = 72,909,688.20 × 18,317,383.60
  4. Step 4: Simplify right side
    48,587,796.40x = 1,335,514,726,915,793.75
  5. Step 5: Solve for x
    x = 1,335,514,726,915,793.75/48,587,796.40
  6. Step 6: Final answer
    x = 27,486,628.86

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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.