Home / 9,486,321.05-13,091,120.09-5,135,404.13

Finding the Fourth Proportional to 9,486,321.05, 13,091,120.09 and 5,135,404.13

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Solution

The fourth proportional to 9,486,321.05, 13,091,120.09 and 5,135,404.13 is: 7,086,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,321.05 : 13,091,120.09 = 5,135,404.13 : x
  2. Step 2: Convert to fraction form
    9,486,321.05/13,091,120.09 = 5,135,404.13/x
  3. Step 3: Cross multiply
    9,486,321.05x = 13,091,120.09 × 5,135,404.13
  4. Step 4: Simplify right side
    9,486,321.05x = 67,228,192,150,834.95
  5. Step 5: Solve for x
    x = 67,228,192,150,834.95/9,486,321.05
  6. Step 6: Final answer
    x = 7,086,856.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.