Home / 13,513,758.23-20,274,092.60-3,929,136.72

Finding the Fourth Proportional to 13,513,758.23, 20,274,092.60 and 3,929,136.72

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Solution

The fourth proportional to 13,513,758.23, 20,274,092.60 and 3,929,136.72 is: 5,894,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,758.23 : 20,274,092.60 = 3,929,136.72 : x
  2. Step 2: Convert to fraction form
    13,513,758.23/20,274,092.60 = 3,929,136.72/x
  3. Step 3: Cross multiply
    13,513,758.23x = 20,274,092.60 × 3,929,136.72
  4. Step 4: Simplify right side
    13,513,758.23x = 79,659,681,709,163.11
  5. Step 5: Solve for x
    x = 79,659,681,709,163.11/13,513,758.23
  6. Step 6: Final answer
    x = 5,894,709.70

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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.