Home / 13,513,758.05-20,274,092.33-3,929,136.53

Finding the Fourth Proportional to 13,513,758.05, 20,274,092.33 and 3,929,136.53

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Solution

The fourth proportional to 13,513,758.05, 20,274,092.33 and 3,929,136.53 is: 5,894,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,758.05 : 20,274,092.33 = 3,929,136.53 : x
  2. Step 2: Convert to fraction form
    13,513,758.05/20,274,092.33 = 3,929,136.53/x
  3. Step 3: Cross multiply
    13,513,758.05x = 20,274,092.33 × 3,929,136.53
  4. Step 4: Simplify right side
    13,513,758.05x = 79,659,676,665,379.67
  5. Step 5: Solve for x
    x = 79,659,676,665,379.67/13,513,758.05
  6. Step 6: Final answer
    x = 5,894,709.40

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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.