Home / 13,067,876.76-18,034,786.08-7,267,788.78

Finding the Fourth Proportional to 13,067,876.76, 18,034,786.08 and 7,267,788.78

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Solution

The fourth proportional to 13,067,876.76, 18,034,786.08 and 7,267,788.78 is: 10,030,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067,876.76 : 18,034,786.08 = 7,267,788.78 : x
  2. Step 2: Convert to fraction form
    13,067,876.76/18,034,786.08 = 7,267,788.78/x
  3. Step 3: Cross multiply
    13,067,876.76x = 18,034,786.08 × 7,267,788.78
  4. Step 4: Simplify right side
    13,067,876.76x = 131,073,015,921,924.17
  5. Step 5: Solve for x
    x = 131,073,015,921,924.17/13,067,876.76
  6. Step 6: Final answer
    x = 10,030,169.27

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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.