Home / 21,288,451.19-29,378,074.38-11,498,895.27

Finding the Fourth Proportional to 21,288,451.19, 29,378,074.38 and 11,498,895.27

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Solution

The fourth proportional to 21,288,451.19, 29,378,074.38 and 11,498,895.27 is: 15,868,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,288,451.19 : 29,378,074.38 = 11,498,895.27 : x
  2. Step 2: Convert to fraction form
    21,288,451.19/29,378,074.38 = 11,498,895.27/x
  3. Step 3: Cross multiply
    21,288,451.19x = 29,378,074.38 × 11,498,895.27
  4. Step 4: Simplify right side
    21,288,451.19x = 337,815,400,486,769.31
  5. Step 5: Solve for x
    x = 337,815,400,486,769.31/21,288,451.19
  6. Step 6: Final answer
    x = 15,868,481.81

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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.