Home / 8,309,369.25-12,465,669.83-3,191,424.75

Finding the Fourth Proportional to 8,309,369.25, 12,465,669.83 and 3,191,424.75

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Solution

The fourth proportional to 8,309,369.25, 12,465,669.83 and 3,191,424.75 is: 4,787,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,369.25 : 12,465,669.83 = 3,191,424.75 : x
  2. Step 2: Convert to fraction form
    8,309,369.25/12,465,669.83 = 3,191,424.75/x
  3. Step 3: Cross multiply
    8,309,369.25x = 12,465,669.83 × 3,191,424.75
  4. Step 4: Simplify right side
    8,309,369.25x = 39,783,247,204,833.16
  5. Step 5: Solve for x
    x = 39,783,247,204,833.16/8,309,369.25
  6. Step 6: Final answer
    x = 4,787,757.77

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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.