Home / 12,108,125.89-18,162,255.72-3,010,223.47

Finding the Fourth Proportional to 12,108,125.89, 18,162,255.72 and 3,010,223.47

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Solution

The fourth proportional to 12,108,125.89, 18,162,255.72 and 3,010,223.47 is: 4,515,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,125.89 : 18,162,255.72 = 3,010,223.47 : x
  2. Step 2: Convert to fraction form
    12,108,125.89/18,162,255.72 = 3,010,223.47/x
  3. Step 3: Cross multiply
    12,108,125.89x = 18,162,255.72 × 3,010,223.47
  4. Step 4: Simplify right side
    12,108,125.89x = 54,672,448,436,485.75
  5. Step 5: Solve for x
    x = 54,672,448,436,485.75/12,108,125.89
  6. Step 6: Final answer
    x = 4,515,351.83

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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.