Home / 8,121,919.60-12,182,906.94-2,056,648.60

Finding the Fourth Proportional to 8,121,919.60, 12,182,906.94 and 2,056,648.60

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Solution

The fourth proportional to 8,121,919.60, 12,182,906.94 and 2,056,648.60 is: 3,084,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,919.60 : 12,182,906.94 = 2,056,648.60 : x
  2. Step 2: Convert to fraction form
    8,121,919.60/12,182,906.94 = 2,056,648.60/x
  3. Step 3: Cross multiply
    8,121,919.60x = 12,182,906.94 × 2,056,648.60
  4. Step 4: Simplify right side
    8,121,919.60x = 25,055,958,502,081.29
  5. Step 5: Solve for x
    x = 25,055,958,502,081.29/8,121,919.60
  6. Step 6: Final answer
    x = 3,084,979.87

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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.