Home / 20,454,451.08-30,673,702.96-7,667,979

Finding the Fourth Proportional to 20,454,451.08, 30,673,702.96 and 7,667,979

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Solution

The fourth proportional to 20,454,451.08, 30,673,702.96 and 7,667,979 is: 11,498,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454,451.08 : 30,673,702.96 = 7,667,979 : x
  2. Step 2: Convert to fraction form
    20,454,451.08/30,673,702.96 = 7,667,979/x
  3. Step 3: Cross multiply
    20,454,451.08x = 30,673,702.96 × 7,667,979
  4. Step 4: Simplify right side
    20,454,451.08x = 235,205,310,149,517.84
  5. Step 5: Solve for x
    x = 235,205,310,149,517.84/20,454,451.08
  6. Step 6: Final answer
    x = 11,498,979.33

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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.