Home / 13,238,399.85-18,226,759.82-11,296,868.73

Finding the Fourth Proportional to 13,238,399.85, 18,226,759.82 and 11,296,868.73

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Solution

The fourth proportional to 13,238,399.85, 18,226,759.82 and 11,296,868.73 is: 15,553,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,399.85 : 18,226,759.82 = 11,296,868.73 : x
  2. Step 2: Convert to fraction form
    13,238,399.85/18,226,759.82 = 11,296,868.73/x
  3. Step 3: Cross multiply
    13,238,399.85x = 18,226,759.82 × 11,296,868.73
  4. Step 4: Simplify right side
    13,238,399.85x = 205,905,313,003,294.09
  5. Step 5: Solve for x
    x = 205,905,313,003,294.09/13,238,399.85
  6. Step 6: Final answer
    x = 15,553,640.57

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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.