Home / 11,321,819.20-16,957,845.60-6,826,254.40

Finding the Fourth Proportional to 11,321,819.20, 16,957,845.60 and 6,826,254.40

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Solution

The fourth proportional to 11,321,819.20, 16,957,845.60 and 6,826,254.40 is: 10,224,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321,819.20 : 16,957,845.60 = 6,826,254.40 : x
  2. Step 2: Convert to fraction form
    11,321,819.20/16,957,845.60 = 6,826,254.40/x
  3. Step 3: Cross multiply
    11,321,819.20x = 16,957,845.60 × 6,826,254.40
  4. Step 4: Simplify right side
    11,321,819.20x = 115,758,568,141,520.66
  5. Step 5: Solve for x
    x = 115,758,568,141,520.66/11,321,819.20
  6. Step 6: Final answer
    x = 10,224,378.79

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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.