Home / 9,279,137.20-12,804,872.92-5,149,348.56

Finding the Fourth Proportional to 9,279,137.20, 12,804,872.92 and 5,149,348.56

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Solution

The fourth proportional to 9,279,137.20, 12,804,872.92 and 5,149,348.56 is: 7,105,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,137.20 : 12,804,872.92 = 5,149,348.56 : x
  2. Step 2: Convert to fraction form
    9,279,137.20/12,804,872.92 = 5,149,348.56/x
  3. Step 3: Cross multiply
    9,279,137.20x = 12,804,872.92 × 5,149,348.56
  4. Step 4: Simplify right side
    9,279,137.20x = 65,936,753,931,584.99
  5. Step 5: Solve for x
    x = 65,936,753,931,584.99/9,279,137.20
  6. Step 6: Final answer
    x = 7,105,914.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.