Home / 28,725,337.20-43,088,005.80-13,608,793.20

Finding the Fourth Proportional to 28,725,337.20, 43,088,005.80 and 13,608,793.20

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Solution

The fourth proportional to 28,725,337.20, 43,088,005.80 and 13,608,793.20 is: 20,413,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725,337.20 : 43,088,005.80 = 13,608,793.20 : x
  2. Step 2: Convert to fraction form
    28,725,337.20/43,088,005.80 = 13,608,793.20/x
  3. Step 3: Cross multiply
    28,725,337.20x = 43,088,005.80 × 13,608,793.20
  4. Step 4: Simplify right side
    28,725,337.20x = 586,375,760,332,600.50
  5. Step 5: Solve for x
    x = 586,375,760,332,600.50/28,725,337.20
  6. Step 6: Final answer
    x = 20,413,189.80

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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.