Home / 8,309,370.25-12,465,671.33-3,191,425.75

Finding the Fourth Proportional to 8,309,370.25, 12,465,671.33 and 3,191,425.75

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Solution

The fourth proportional to 8,309,370.25, 12,465,671.33 and 3,191,425.75 is: 4,787,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,370.25 : 12,465,671.33 = 3,191,425.75 : x
  2. Step 2: Convert to fraction form
    8,309,370.25/12,465,671.33 = 3,191,425.75/x
  3. Step 3: Cross multiply
    8,309,370.25x = 12,465,671.33 × 3,191,425.75
  4. Step 4: Simplify right side
    8,309,370.25x = 39,783,264,473,598.75
  5. Step 5: Solve for x
    x = 39,783,264,473,598.75/8,309,370.25
  6. Step 6: Final answer
    x = 4,787,759.27

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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.