Home / 17,087,806.52-25,635,909.60-5,120,542.52

Finding the Fourth Proportional to 17,087,806.52, 25,635,909.60 and 5,120,542.52

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Solution

The fourth proportional to 17,087,806.52, 25,635,909.60 and 5,120,542.52 is: 7,682,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087,806.52 : 25,635,909.60 = 5,120,542.52 : x
  2. Step 2: Convert to fraction form
    17,087,806.52/25,635,909.60 = 5,120,542.52/x
  3. Step 3: Cross multiply
    17,087,806.52x = 25,635,909.60 × 5,120,542.52
  4. Step 4: Simplify right side
    17,087,806.52x = 131,269,765,145,676.19
  5. Step 5: Solve for x
    x = 131,269,765,145,676.19/17,087,806.52
  6. Step 6: Final answer
    x = 7,682,072.30

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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.