Home / 8,191,419.68-12,285,729.60-2,206,388

Finding the Fourth Proportional to 8,191,419.68, 12,285,729.60 and 2,206,388

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Solution

The fourth proportional to 8,191,419.68, 12,285,729.60 and 2,206,388 is: 3,309,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,419.68 : 12,285,729.60 = 2,206,388 : x
  2. Step 2: Convert to fraction form
    8,191,419.68/12,285,729.60 = 2,206,388/x
  3. Step 3: Cross multiply
    8,191,419.68x = 12,285,729.60 × 2,206,388
  4. Step 4: Simplify right side
    8,191,419.68x = 27,107,086,360,684.80
  5. Step 5: Solve for x
    x = 27,107,086,360,684.80/8,191,419.68
  6. Step 6: Final answer
    x = 3,309,204.93

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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.