Home / 12,511,020.25-18,769,360.13-6,753,630.30

Finding the Fourth Proportional to 12,511,020.25, 18,769,360.13 and 6,753,630.30

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Solution

The fourth proportional to 12,511,020.25, 18,769,360.13 and 6,753,630.30 is: 10,131,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,020.25 : 18,769,360.13 = 6,753,630.30 : x
  2. Step 2: Convert to fraction form
    12,511,020.25/18,769,360.13 = 6,753,630.30/x
  3. Step 3: Cross multiply
    12,511,020.25x = 18,769,360.13 × 6,753,630.30
  4. Step 4: Simplify right side
    12,511,020.25x = 126,761,319,244,741.95
  5. Step 5: Solve for x
    x = 126,761,319,244,741.95/12,511,020.25
  6. Step 6: Final answer
    x = 10,131,972.99

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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.