Home / 13,902,936.20-20,854,404.30-12,895,166.60

Finding the Fourth Proportional to 13,902,936.20, 20,854,404.30 and 12,895,166.60

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Solution

The fourth proportional to 13,902,936.20, 20,854,404.30 and 12,895,166.60 is: 19,342,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,936.20 : 20,854,404.30 = 12,895,166.60 : x
  2. Step 2: Convert to fraction form
    13,902,936.20/20,854,404.30 = 12,895,166.60/x
  3. Step 3: Cross multiply
    13,902,936.20x = 20,854,404.30 × 12,895,166.60
  4. Step 4: Simplify right side
    13,902,936.20x = 268,921,017,792,256.38
  5. Step 5: Solve for x
    x = 268,921,017,792,256.38/13,902,936.20
  6. Step 6: Final answer
    x = 19,342,749.90

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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.