Home / 13,199,829.62-18,181,691.61-9,325,625.54

Finding the Fourth Proportional to 13,199,829.62, 18,181,691.61 and 9,325,625.54

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Solution

The fourth proportional to 13,199,829.62, 18,181,691.61 and 9,325,625.54 is: 12,845,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,829.62 : 18,181,691.61 = 9,325,625.54 : x
  2. Step 2: Convert to fraction form
    13,199,829.62/18,181,691.61 = 9,325,625.54/x
  3. Step 3: Cross multiply
    13,199,829.62x = 18,181,691.61 × 9,325,625.54
  4. Step 4: Simplify right side
    13,199,829.62x = 169,555,647,638,619.69
  5. Step 5: Solve for x
    x = 169,555,647,638,619.69/13,199,829.62
  6. Step 6: Final answer
    x = 12,845,290.62

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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.