Home / 20,882,946.60-31,324,419.90-19,465,770.60

Finding the Fourth Proportional to 20,882,946.60, 31,324,419.90 and 19,465,770.60

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Solution

The fourth proportional to 20,882,946.60, 31,324,419.90 and 19,465,770.60 is: 29,198,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882,946.60 : 31,324,419.90 = 19,465,770.60 : x
  2. Step 2: Convert to fraction form
    20,882,946.60/31,324,419.90 = 19,465,770.60/x
  3. Step 3: Cross multiply
    20,882,946.60x = 31,324,419.90 × 19,465,770.60
  4. Step 4: Simplify right side
    20,882,946.60x = 609,753,971,951,475
  5. Step 5: Solve for x
    x = 609,753,971,951,475/20,882,946.60
  6. Step 6: Final answer
    x = 29,198,655.90

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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.