Home / 13,842,393.20-20,763,589.80-6,652,193.30

Finding the Fourth Proportional to 13,842,393.20, 20,763,589.80 and 6,652,193.30

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Solution

The fourth proportional to 13,842,393.20, 20,763,589.80 and 6,652,193.30 is: 9,978,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,393.20 : 20,763,589.80 = 6,652,193.30 : x
  2. Step 2: Convert to fraction form
    13,842,393.20/20,763,589.80 = 6,652,193.30/x
  3. Step 3: Cross multiply
    13,842,393.20x = 20,763,589.80 × 6,652,193.30
  4. Step 4: Simplify right side
    13,842,393.20x = 138,123,412,951,508.34
  5. Step 5: Solve for x
    x = 138,123,412,951,508.34/13,842,393.20
  6. Step 6: Final answer
    x = 9,978,289.95

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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.