Home / 12,729,834.72-17,567,546.63-9,015,311.21

Finding the Fourth Proportional to 12,729,834.72, 17,567,546.63 and 9,015,311.21

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Solution

The fourth proportional to 12,729,834.72, 17,567,546.63 and 9,015,311.21 is: 12,441,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,834.72 : 17,567,546.63 = 9,015,311.21 : x
  2. Step 2: Convert to fraction form
    12,729,834.72/17,567,546.63 = 9,015,311.21/x
  3. Step 3: Cross multiply
    12,729,834.72x = 17,567,546.63 × 9,015,311.21
  4. Step 4: Simplify right side
    12,729,834.72x = 158,376,899,932,722.44
  5. Step 5: Solve for x
    x = 158,376,899,932,722.44/12,729,834.72
  6. Step 6: Final answer
    x = 12,441,394.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.