Home / 20,860,542.59-28,787,003.39-11,568,089.11

Finding the Fourth Proportional to 20,860,542.59, 28,787,003.39 and 11,568,089.11

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Solution

The fourth proportional to 20,860,542.59, 28,787,003.39 and 11,568,089.11 is: 15,963,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,542.59 : 28,787,003.39 = 11,568,089.11 : x
  2. Step 2: Convert to fraction form
    20,860,542.59/28,787,003.39 = 11,568,089.11/x
  3. Step 3: Cross multiply
    20,860,542.59x = 28,787,003.39 × 11,568,089.11
  4. Step 4: Simplify right side
    20,860,542.59x = 333,010,620,425,392.06
  5. Step 5: Solve for x
    x = 333,010,620,425,392.06/20,860,542.59
  6. Step 6: Final answer
    x = 15,963,660.53

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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.