Home / 12,322,540.76-17,003,965-6,815,797.08

Finding the Fourth Proportional to 12,322,540.76, 17,003,965 and 6,815,797.08

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Solution

The fourth proportional to 12,322,540.76, 17,003,965 and 6,815,797.08 is: 9,405,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,540.76 : 17,003,965 = 6,815,797.08 : x
  2. Step 2: Convert to fraction form
    12,322,540.76/17,003,965 = 6,815,797.08/x
  3. Step 3: Cross multiply
    12,322,540.76x = 17,003,965 × 6,815,797.08
  4. Step 4: Simplify right side
    12,322,540.76x = 115,895,574,995,422.20
  5. Step 5: Solve for x
    x = 115,895,574,995,422.20/12,322,540.76
  6. Step 6: Final answer
    x = 9,405,168.73

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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.