Home / 8,125,909.14-12,192,857.72-3,268,021.72

Finding the Fourth Proportional to 8,125,909.14, 12,192,857.72 and 3,268,021.72

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Solution

The fourth proportional to 8,125,909.14, 12,192,857.72 and 3,268,021.72 is: 4,903,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,909.14 : 12,192,857.72 = 3,268,021.72 : x
  2. Step 2: Convert to fraction form
    8,125,909.14/12,192,857.72 = 3,268,021.72/x
  3. Step 3: Cross multiply
    8,125,909.14x = 12,192,857.72 × 3,268,021.72
  4. Step 4: Simplify right side
    8,125,909.14x = 39,846,523,857,829.68
  5. Step 5: Solve for x
    x = 39,846,523,857,829.68/8,125,909.14
  6. Step 6: Final answer
    x = 4,903,638.86

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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.