Home / 18,957,372.61-26,161,916.39-11,115,794.58

Finding the Fourth Proportional to 18,957,372.61, 26,161,916.39 and 11,115,794.58

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Solution

The fourth proportional to 18,957,372.61, 26,161,916.39 and 11,115,794.58 is: 15,340,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,372.61 : 26,161,916.39 = 11,115,794.58 : x
  2. Step 2: Convert to fraction form
    18,957,372.61/26,161,916.39 = 11,115,794.58/x
  3. Step 3: Cross multiply
    18,957,372.61x = 26,161,916.39 × 11,115,794.58
  4. Step 4: Simplify right side
    18,957,372.61x = 290,810,488,410,375.19
  5. Step 5: Solve for x
    x = 290,810,488,410,375.19/18,957,372.61
  6. Step 6: Final answer
    x = 15,340,231.71

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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.