Home / 8,620,979.73-12,930,629.94-3,503,716.44

Finding the Fourth Proportional to 8,620,979.73, 12,930,629.94 and 3,503,716.44

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Solution

The fourth proportional to 8,620,979.73, 12,930,629.94 and 3,503,716.44 is: 5,255,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,979.73 : 12,930,629.94 = 3,503,716.44 : x
  2. Step 2: Convert to fraction form
    8,620,979.73/12,930,629.94 = 3,503,716.44/x
  3. Step 3: Cross multiply
    8,620,979.73x = 12,930,629.94 × 3,503,716.44
  4. Step 4: Simplify right side
    8,620,979.73x = 45,305,260,700,334.21
  5. Step 5: Solve for x
    x = 45,305,260,700,334.21/8,620,979.73
  6. Step 6: Final answer
    x = 5,255,233.41

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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.