Home / 7,939,359.92-11,904,245.12-3,561,697.61

Finding the Fourth Proportional to 7,939,359.92, 11,904,245.12 and 3,561,697.61

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Solution

The fourth proportional to 7,939,359.92, 11,904,245.12 and 3,561,697.61 is: 5,340,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,359.92 : 11,904,245.12 = 3,561,697.61 : x
  2. Step 2: Convert to fraction form
    7,939,359.92/11,904,245.12 = 3,561,697.61/x
  3. Step 3: Cross multiply
    7,939,359.92x = 11,904,245.12 × 3,561,697.61
  4. Step 4: Simplify right side
    7,939,359.92x = 42,399,321,315,428.45
  5. Step 5: Solve for x
    x = 42,399,321,315,428.45/7,939,359.92
  6. Step 6: Final answer
    x = 5,340,395.42

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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.