Home / 10,121,634.82-13,967,508.66-5,772,121

Finding the Fourth Proportional to 10,121,634.82, 13,967,508.66 and 5,772,121

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Solution

The fourth proportional to 10,121,634.82, 13,967,508.66 and 5,772,121 is: 7,965,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,634.82 : 13,967,508.66 = 5,772,121 : x
  2. Step 2: Convert to fraction form
    10,121,634.82/13,967,508.66 = 5,772,121/x
  3. Step 3: Cross multiply
    10,121,634.82x = 13,967,508.66 × 5,772,121
  4. Step 4: Simplify right side
    10,121,634.82x = 80,622,150,054,067.86
  5. Step 5: Solve for x
    x = 80,622,150,054,067.86/10,121,634.82
  6. Step 6: Final answer
    x = 7,965,328.87

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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.