Home / 12,591,964.80-18,887,947.20-11,584,195.20

Finding the Fourth Proportional to 12,591,964.80, 18,887,947.20 and 11,584,195.20

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Solution

The fourth proportional to 12,591,964.80, 18,887,947.20 and 11,584,195.20 is: 17,376,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,964.80 : 18,887,947.20 = 11,584,195.20 : x
  2. Step 2: Convert to fraction form
    12,591,964.80/18,887,947.20 = 11,584,195.20/x
  3. Step 3: Cross multiply
    12,591,964.80x = 18,887,947.20 × 11,584,195.20
  4. Step 4: Simplify right side
    12,591,964.80x = 218,801,667,292,093.41
  5. Step 5: Solve for x
    x = 218,801,667,292,093.41/12,591,964.80
  6. Step 6: Final answer
    x = 17,376,292.80

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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.