Home / 12,591,023.20-18,858,541.20-9,741,896.80

Finding the Fourth Proportional to 12,591,023.20, 18,858,541.20 and 9,741,896.80

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Solution

The fourth proportional to 12,591,023.20, 18,858,541.20 and 9,741,896.80 is: 14,591,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,023.20 : 18,858,541.20 = 9,741,896.80 : x
  2. Step 2: Convert to fraction form
    12,591,023.20/18,858,541.20 = 9,741,896.80/x
  3. Step 3: Cross multiply
    12,591,023.20x = 18,858,541.20 × 9,741,896.80
  4. Step 4: Simplify right side
    12,591,023.20x = 183,717,962,168,948.16
  5. Step 5: Solve for x
    x = 183,717,962,168,948.16/12,591,023.20
  6. Step 6: Final answer
    x = 14,591,186.06

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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.