Home / 20,231,972.20-30,347,958.30-17,893,631.80

Finding the Fourth Proportional to 20,231,972.20, 30,347,958.30 and 17,893,631.80

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Solution

The fourth proportional to 20,231,972.20, 30,347,958.30 and 17,893,631.80 is: 26,840,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,972.20 : 30,347,958.30 = 17,893,631.80 : x
  2. Step 2: Convert to fraction form
    20,231,972.20/30,347,958.30 = 17,893,631.80/x
  3. Step 3: Cross multiply
    20,231,972.20x = 30,347,958.30 × 17,893,631.80
  4. Step 4: Simplify right side
    20,231,972.20x = 543,035,191,701,954
  5. Step 5: Solve for x
    x = 543,035,191,701,954/20,231,972.20
  6. Step 6: Final answer
    x = 26,840,447.70

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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.