Home / 18,391,440.74-27,587,144.40-8,673,786.90

Finding the Fourth Proportional to 18,391,440.74, 27,587,144.40 and 8,673,786.90

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Solution

The fourth proportional to 18,391,440.74, 27,587,144.40 and 8,673,786.90 is: 13,010,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,440.74 : 27,587,144.40 = 8,673,786.90 : x
  2. Step 2: Convert to fraction form
    18,391,440.74/27,587,144.40 = 8,673,786.90/x
  3. Step 3: Cross multiply
    18,391,440.74x = 27,587,144.40 × 8,673,786.90
  4. Step 4: Simplify right side
    18,391,440.74x = 239,285,011,672,601.66
  5. Step 5: Solve for x
    x = 239,285,011,672,601.66/18,391,440.74
  6. Step 6: Final answer
    x = 13,010,672.47

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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.