Home / 13,840,162.20-20,760,243.30-8,076,979.80

Finding the Fourth Proportional to 13,840,162.20, 20,760,243.30 and 8,076,979.80

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Solution

The fourth proportional to 13,840,162.20, 20,760,243.30 and 8,076,979.80 is: 12,115,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,162.20 : 20,760,243.30 = 8,076,979.80 : x
  2. Step 2: Convert to fraction form
    13,840,162.20/20,760,243.30 = 8,076,979.80/x
  3. Step 3: Cross multiply
    13,840,162.20x = 20,760,243.30 × 8,076,979.80
  4. Step 4: Simplify right side
    13,840,162.20x = 167,680,065,777,185.34
  5. Step 5: Solve for x
    x = 167,680,065,777,185.34/13,840,162.20
  6. Step 6: Final answer
    x = 12,115,469.70

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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.