Home / 11,731,091.20-17,606,767.40-8,139,380.42

Finding the Fourth Proportional to 11,731,091.20, 17,606,767.40 and 8,139,380.42

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Solution

The fourth proportional to 11,731,091.20, 17,606,767.40 and 8,139,380.42 is: 12,216,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731,091.20 : 17,606,767.40 = 8,139,380.42 : x
  2. Step 2: Convert to fraction form
    11,731,091.20/17,606,767.40 = 8,139,380.42/x
  3. Step 3: Cross multiply
    11,731,091.20x = 17,606,767.40 × 8,139,380.42
  4. Step 4: Simplify right side
    11,731,091.20x = 143,308,177,819,377.97
  5. Step 5: Solve for x
    x = 143,308,177,819,377.97/11,731,091.20
  6. Step 6: Final answer
    x = 12,216,099.54

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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.