Home / 12,550,836.20-18,826,170.06-8,309,982.92

Finding the Fourth Proportional to 12,550,836.20, 18,826,170.06 and 8,309,982.92

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Solution

The fourth proportional to 12,550,836.20, 18,826,170.06 and 8,309,982.92 is: 12,464,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,836.20 : 18,826,170.06 = 8,309,982.92 : x
  2. Step 2: Convert to fraction form
    12,550,836.20/18,826,170.06 = 8,309,982.92/x
  3. Step 3: Cross multiply
    12,550,836.20x = 18,826,170.06 × 8,309,982.92
  4. Step 4: Simplify right side
    12,550,836.20x = 156,445,151,647,615.38
  5. Step 5: Solve for x
    x = 156,445,151,647,615.38/12,550,836.20
  6. Step 6: Final answer
    x = 12,464,918.60

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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.