Home / 19,486,827.20-29,217,799.20-8,131,793.60

Finding the Fourth Proportional to 19,486,827.20, 29,217,799.20 and 8,131,793.60

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Solution

The fourth proportional to 19,486,827.20, 29,217,799.20 and 8,131,793.60 is: 12,192,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486,827.20 : 29,217,799.20 = 8,131,793.60 : x
  2. Step 2: Convert to fraction form
    19,486,827.20/29,217,799.20 = 8,131,793.60/x
  3. Step 3: Cross multiply
    19,486,827.20x = 29,217,799.20 × 8,131,793.60
  4. Step 4: Simplify right side
    19,486,827.20x = 237,593,112,540,645.09
  5. Step 5: Solve for x
    x = 237,593,112,540,645.09/19,486,827.20
  6. Step 6: Final answer
    x = 12,192,498.56

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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.