Home / 13,629,371.33-20,416,500.78-8,496,044.93

Finding the Fourth Proportional to 13,629,371.33, 20,416,500.78 and 8,496,044.93

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Solution

The fourth proportional to 13,629,371.33, 20,416,500.78 and 8,496,044.93 is: 12,726,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,371.33 : 20,416,500.78 = 8,496,044.93 : x
  2. Step 2: Convert to fraction form
    13,629,371.33/20,416,500.78 = 8,496,044.93/x
  3. Step 3: Cross multiply
    13,629,371.33x = 20,416,500.78 × 8,496,044.93
  4. Step 4: Simplify right side
    13,629,371.33x = 173,459,507,838,177.56
  5. Step 5: Solve for x
    x = 173,459,507,838,177.56/13,629,371.33
  6. Step 6: Final answer
    x = 12,726,889.87

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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.