Home / 13,489,190.80-20,233,786.20-12,072,014.80

Finding the Fourth Proportional to 13,489,190.80, 20,233,786.20 and 12,072,014.80

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Solution

The fourth proportional to 13,489,190.80, 20,233,786.20 and 12,072,014.80 is: 18,108,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489,190.80 : 20,233,786.20 = 12,072,014.80 : x
  2. Step 2: Convert to fraction form
    13,489,190.80/20,233,786.20 = 12,072,014.80/x
  3. Step 3: Cross multiply
    13,489,190.80x = 20,233,786.20 × 12,072,014.80
  4. Step 4: Simplify right side
    13,489,190.80x = 244,262,566,466,435.78
  5. Step 5: Solve for x
    x = 244,262,566,466,435.78/13,489,190.80
  6. Step 6: Final answer
    x = 18,108,022.20

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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.