Home / 20,722,788.60-31,084,182.90-16,187,825.40

Finding the Fourth Proportional to 20,722,788.60, 31,084,182.90 and 16,187,825.40

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Solution

The fourth proportional to 20,722,788.60, 31,084,182.90 and 16,187,825.40 is: 24,281,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,788.60 : 31,084,182.90 = 16,187,825.40 : x
  2. Step 2: Convert to fraction form
    20,722,788.60/31,084,182.90 = 16,187,825.40/x
  3. Step 3: Cross multiply
    20,722,788.60x = 31,084,182.90 × 16,187,825.40
  4. Step 4: Simplify right side
    20,722,788.60x = 503,185,325,486,865.62
  5. Step 5: Solve for x
    x = 503,185,325,486,865.62/20,722,788.60
  6. Step 6: Final answer
    x = 24,281,738.10

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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.