Home / 11,768,410.20-17,679,187.74-6,979,240.64

Finding the Fourth Proportional to 11,768,410.20, 17,679,187.74 and 6,979,240.64

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Solution

The fourth proportional to 11,768,410.20, 17,679,187.74 and 6,979,240.64 is: 10,484,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768,410.20 : 17,679,187.74 = 6,979,240.64 : x
  2. Step 2: Convert to fraction form
    11,768,410.20/17,679,187.74 = 6,979,240.64/x
  3. Step 3: Cross multiply
    11,768,410.20x = 17,679,187.74 × 6,979,240.64
  4. Step 4: Simplify right side
    11,768,410.20x = 123,387,305,557,197.73
  5. Step 5: Solve for x
    x = 123,387,305,557,197.73/11,768,410.20
  6. Step 6: Final answer
    x = 10,484,619.71

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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.