Home / 18,165,268.32-25,067,887.74-9,905,310.33

Finding the Fourth Proportional to 18,165,268.32, 25,067,887.74 and 9,905,310.33

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Solution

The fourth proportional to 18,165,268.32, 25,067,887.74 and 9,905,310.33 is: 13,669,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165,268.32 : 25,067,887.74 = 9,905,310.33 : x
  2. Step 2: Convert to fraction form
    18,165,268.32/25,067,887.74 = 9,905,310.33/x
  3. Step 3: Cross multiply
    18,165,268.32x = 25,067,887.74 × 9,905,310.33
  4. Step 4: Simplify right side
    18,165,268.32x = 248,305,207,382,302.34
  5. Step 5: Solve for x
    x = 248,305,207,382,302.34/18,165,268.32
  6. Step 6: Final answer
    x = 13,669,228.72

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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.