Home / 18,165,268.82-25,067,888.43-9,905,310.83

Finding the Fourth Proportional to 18,165,268.82, 25,067,888.43 and 9,905,310.83

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Solution

The fourth proportional to 18,165,268.82, 25,067,888.43 and 9,905,310.83 is: 13,669,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165,268.82 : 25,067,888.43 = 9,905,310.83 : x
  2. Step 2: Convert to fraction form
    18,165,268.82/25,067,888.43 = 9,905,310.83/x
  3. Step 3: Cross multiply
    18,165,268.82x = 25,067,888.43 × 9,905,310.83
  4. Step 4: Simplify right side
    18,165,268.82x = 248,305,226,750,910.69
  5. Step 5: Solve for x
    x = 248,305,226,750,910.69/18,165,268.82
  6. Step 6: Final answer
    x = 13,669,229.41

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1.5x scale

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.