Home / 12,104,722.20-18,166,997.70-12,010,243.80

Finding the Fourth Proportional to 12,104,722.20, 18,166,997.70 and 12,010,243.80

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Solution

The fourth proportional to 12,104,722.20, 18,166,997.70 and 12,010,243.80 is: 18,025,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,722.20 : 18,166,997.70 = 12,010,243.80 : x
  2. Step 2: Convert to fraction form
    12,104,722.20/18,166,997.70 = 12,010,243.80/x
  3. Step 3: Cross multiply
    12,104,722.20x = 18,166,997.70 × 12,010,243.80
  4. Step 4: Simplify right side
    12,104,722.20x = 218,190,071,491,039.25
  5. Step 5: Solve for x
    x = 218,190,071,491,039.25/12,104,722.20
  6. Step 6: Final answer
    x = 18,025,202.72

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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.