Home / 15,987,819.60-23,981,729.40-13,436,902.80

Finding the Fourth Proportional to 15,987,819.60, 23,981,729.40 and 13,436,902.80

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Solution

The fourth proportional to 15,987,819.60, 23,981,729.40 and 13,436,902.80 is: 20,155,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987,819.60 : 23,981,729.40 = 13,436,902.80 : x
  2. Step 2: Convert to fraction form
    15,987,819.60/23,981,729.40 = 13,436,902.80/x
  3. Step 3: Cross multiply
    15,987,819.60x = 23,981,729.40 × 13,436,902.80
  4. Step 4: Simplify right side
    15,987,819.60x = 322,240,166,923,702.31
  5. Step 5: Solve for x
    x = 322,240,166,923,702.31/15,987,819.60
  6. Step 6: Final answer
    x = 20,155,354.20

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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.