Home / 22,151,489.58-30,568,877.82-12,859,921.80

Finding the Fourth Proportional to 22,151,489.58, 30,568,877.82 and 12,859,921.80

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Solution

The fourth proportional to 22,151,489.58, 30,568,877.82 and 12,859,921.80 is: 17,746,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151,489.58 : 30,568,877.82 = 12,859,921.80 : x
  2. Step 2: Convert to fraction form
    22,151,489.58/30,568,877.82 = 12,859,921.80/x
  3. Step 3: Cross multiply
    22,151,489.58x = 30,568,877.82 × 12,859,921.80
  4. Step 4: Simplify right side
    22,151,489.58x = 393,113,378,278,954.50
  5. Step 5: Solve for x
    x = 393,113,378,278,954.50/22,151,489.58
  6. Step 6: Final answer
    x = 17,746,588.86

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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.