Home / 20,786,202.28-31,170,205.50-11,068,768.36

Finding the Fourth Proportional to 20,786,202.28, 31,170,205.50 and 11,068,768.36

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Solution

The fourth proportional to 20,786,202.28, 31,170,205.50 and 11,068,768.36 is: 16,598,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,786,202.28 : 31,170,205.50 = 11,068,768.36 : x
  2. Step 2: Convert to fraction form
    20,786,202.28/31,170,205.50 = 11,068,768.36/x
  3. Step 3: Cross multiply
    20,786,202.28x = 31,170,205.50 × 11,068,768.36
  4. Step 4: Simplify right side
    20,786,202.28x = 345,015,784,413,097.94
  5. Step 5: Solve for x
    x = 345,015,784,413,097.94/20,786,202.28
  6. Step 6: Final answer
    x = 16,598,307.85

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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.