Home / 26,226,858.42-39,345,021.27-11,856,693.78

Finding the Fourth Proportional to 26,226,858.42, 39,345,021.27 and 11,856,693.78

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Solution

The fourth proportional to 26,226,858.42, 39,345,021.27 and 11,856,693.78 is: 17,787,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,226,858.42 : 39,345,021.27 = 11,856,693.78 : x
  2. Step 2: Convert to fraction form
    26,226,858.42/39,345,021.27 = 11,856,693.78/x
  3. Step 3: Cross multiply
    26,226,858.42x = 39,345,021.27 × 11,856,693.78
  4. Step 4: Simplify right side
    26,226,858.42x = 466,501,868,965,976.69
  5. Step 5: Solve for x
    x = 466,501,868,965,976.69/26,226,858.42
  6. Step 6: Final answer
    x = 17,787,180.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.