Home / 21,358,494.11-29,474,722.97-11,568,941.74

Finding the Fourth Proportional to 21,358,494.11, 29,474,722.97 and 11,568,941.74

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Solution

The fourth proportional to 21,358,494.11, 29,474,722.97 and 11,568,941.74 is: 15,965,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358,494.11 : 29,474,722.97 = 11,568,941.74 : x
  2. Step 2: Convert to fraction form
    21,358,494.11/29,474,722.97 = 11,568,941.74/x
  3. Step 3: Cross multiply
    21,358,494.11x = 29,474,722.97 × 11,568,941.74
  4. Step 4: Simplify right side
    21,358,494.11x = 340,991,352,864,952
  5. Step 5: Solve for x
    x = 340,991,352,864,952/21,358,494.11
  6. Step 6: Final answer
    x = 15,965,140.20

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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.