Home / 12,534,298.78-18,801,448.17-8,273,470.57

Finding the Fourth Proportional to 12,534,298.78, 18,801,448.17 and 8,273,470.57

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Solution

The fourth proportional to 12,534,298.78, 18,801,448.17 and 8,273,470.57 is: 12,410,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534,298.78 : 18,801,448.17 = 8,273,470.57 : x
  2. Step 2: Convert to fraction form
    12,534,298.78/18,801,448.17 = 8,273,470.57/x
  3. Step 3: Cross multiply
    12,534,298.78x = 18,801,448.17 × 8,273,470.57
  4. Step 4: Simplify right side
    12,534,298.78x = 155,553,228,107,875.38
  5. Step 5: Solve for x
    x = 155,553,228,107,875.38/12,534,298.78
  6. Step 6: Final answer
    x = 12,410,205.86

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1.5x scale

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.