Home / 20,313,523.42-30,469,932.20-8,182,676.78

Finding the Fourth Proportional to 20,313,523.42, 30,469,932.20 and 8,182,676.78

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Solution

The fourth proportional to 20,313,523.42, 30,469,932.20 and 8,182,676.78 is: 12,273,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,523.42 : 30,469,932.20 = 8,182,676.78 : x
  2. Step 2: Convert to fraction form
    20,313,523.42/30,469,932.20 = 8,182,676.78/x
  3. Step 3: Cross multiply
    20,313,523.42x = 30,469,932.20 × 8,182,676.78
  4. Step 4: Simplify right side
    20,313,523.42x = 249,325,606,548,764.66
  5. Step 5: Solve for x
    x = 249,325,606,548,764.66/20,313,523.42
  6. Step 6: Final answer
    x = 12,273,873.00

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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.