Home / 13,199,829.12-18,181,690.92-9,325,625.04

Finding the Fourth Proportional to 13,199,829.12, 18,181,690.92 and 9,325,625.04

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Solution

The fourth proportional to 13,199,829.12, 18,181,690.92 and 9,325,625.04 is: 12,845,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,829.12 : 18,181,690.92 = 9,325,625.04 : x
  2. Step 2: Convert to fraction form
    13,199,829.12/18,181,690.92 = 9,325,625.04/x
  3. Step 3: Cross multiply
    13,199,829.12x = 18,181,690.92 × 9,325,625.04
  4. Step 4: Simplify right side
    13,199,829.12x = 169,555,632,113,092.62
  5. Step 5: Solve for x
    x = 169,555,632,113,092.62/13,199,829.12
  6. Step 6: Final answer
    x = 12,845,289.93

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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.