Home / 8,278,893.54-12,420,406.92-2,887,621.44

Finding the Fourth Proportional to 8,278,893.54, 12,420,406.92 and 2,887,621.44

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Solution

The fourth proportional to 8,278,893.54, 12,420,406.92 and 2,887,621.44 is: 4,332,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,893.54 : 12,420,406.92 = 2,887,621.44 : x
  2. Step 2: Convert to fraction form
    8,278,893.54/12,420,406.92 = 2,887,621.44/x
  3. Step 3: Cross multiply
    8,278,893.54x = 12,420,406.92 × 2,887,621.44
  4. Step 4: Simplify right side
    8,278,893.54x = 35,865,433,315,716.37
  5. Step 5: Solve for x
    x = 35,865,433,315,716.37/8,278,893.54
  6. Step 6: Final answer
    x = 4,332,152.98

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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.