Home / 13,667,415.10-20,504,233.05-7,984,714.30

Finding the Fourth Proportional to 13,667,415.10, 20,504,233.05 and 7,984,714.30

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Solution

The fourth proportional to 13,667,415.10, 20,504,233.05 and 7,984,714.30 is: 11,978,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,415.10 : 20,504,233.05 = 7,984,714.30 : x
  2. Step 2: Convert to fraction form
    13,667,415.10/20,504,233.05 = 7,984,714.30/x
  3. Step 3: Cross multiply
    13,667,415.10x = 20,504,233.05 × 7,984,714.30
  4. Step 4: Simplify right side
    13,667,415.10x = 163,720,442,844,867.62
  5. Step 5: Solve for x
    x = 163,720,442,844,867.62/13,667,415.10
  6. Step 6: Final answer
    x = 11,978,888.59

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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.