Home / 9,279,165.92-12,805,222.76-5,149,820.48

Finding the Fourth Proportional to 9,279,165.92, 12,805,222.76 and 5,149,820.48

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Solution

The fourth proportional to 9,279,165.92, 12,805,222.76 and 5,149,820.48 is: 7,106,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,165.92 : 12,805,222.76 = 5,149,820.48 : x
  2. Step 2: Convert to fraction form
    9,279,165.92/12,805,222.76 = 5,149,820.48/x
  3. Step 3: Cross multiply
    9,279,165.92x = 12,805,222.76 × 5,149,820.48
  4. Step 4: Simplify right side
    9,279,165.92x = 65,944,598,420,410.13
  5. Step 5: Solve for x
    x = 65,944,598,420,410.13/9,279,165.92
  6. Step 6: Final answer
    x = 7,106,737.72

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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.