Home / 12,550,835.20-18,826,168.56-8,309,981.92

Finding the Fourth Proportional to 12,550,835.20, 18,826,168.56 and 8,309,981.92

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Solution

The fourth proportional to 12,550,835.20, 18,826,168.56 and 8,309,981.92 is: 12,464,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,835.20 : 18,826,168.56 = 8,309,981.92 : x
  2. Step 2: Convert to fraction form
    12,550,835.20/18,826,168.56 = 8,309,981.92/x
  3. Step 3: Cross multiply
    12,550,835.20x = 18,826,168.56 × 8,309,981.92
  4. Step 4: Simplify right side
    12,550,835.20x = 156,445,120,356,472.44
  5. Step 5: Solve for x
    x = 156,445,120,356,472.44/12,550,835.20
  6. Step 6: Final answer
    x = 12,464,917.10

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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.