Home / 27,259,288.20-40,888,932.30-15,780,162.60

Finding the Fourth Proportional to 27,259,288.20, 40,888,932.30 and 15,780,162.60

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Solution

The fourth proportional to 27,259,288.20, 40,888,932.30 and 15,780,162.60 is: 23,670,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,288.20 : 40,888,932.30 = 15,780,162.60 : x
  2. Step 2: Convert to fraction form
    27,259,288.20/40,888,932.30 = 15,780,162.60/x
  3. Step 3: Cross multiply
    27,259,288.20x = 40,888,932.30 × 15,780,162.60
  4. Step 4: Simplify right side
    27,259,288.20x = 645,234,000,234,391.88
  5. Step 5: Solve for x
    x = 645,234,000,234,391.88/27,259,288.20
  6. Step 6: Final answer
    x = 23,670,243.90

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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.