Home / 18,725,793.30-28,046,699.55-15,366,561.30

Finding the Fourth Proportional to 18,725,793.30, 28,046,699.55 and 15,366,561.30

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Solution

The fourth proportional to 18,725,793.30, 28,046,699.55 and 15,366,561.30 is: 23,015,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,793.30 : 28,046,699.55 = 15,366,561.30 : x
  2. Step 2: Convert to fraction form
    18,725,793.30/28,046,699.55 = 15,366,561.30/x
  3. Step 3: Cross multiply
    18,725,793.30x = 28,046,699.55 × 15,366,561.30
  4. Step 4: Simplify right side
    18,725,793.30x = 430,981,327,897,757.44
  5. Step 5: Solve for x
    x = 430,981,327,897,757.44/18,725,793.30
  6. Step 6: Final answer
    x = 23,015,384.23

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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.