Home / 14,375,081.78-19,837,346.82-8,179,991.18

Finding the Fourth Proportional to 14,375,081.78, 19,837,346.82 and 8,179,991.18

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Solution

The fourth proportional to 14,375,081.78, 19,837,346.82 and 8,179,991.18 is: 11,288,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375,081.78 : 19,837,346.82 = 8,179,991.18 : x
  2. Step 2: Convert to fraction form
    14,375,081.78/19,837,346.82 = 8,179,991.18/x
  3. Step 3: Cross multiply
    14,375,081.78x = 19,837,346.82 × 8,179,991.18
  4. Step 4: Simplify right side
    14,375,081.78x = 162,269,322,022,201.03
  5. Step 5: Solve for x
    x = 162,269,322,022,201.03/14,375,081.78
  6. Step 6: Final answer
    x = 11,288,236.44

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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.