Home / 13,741,387.20-20,612,080.80-8,714,980.80

Finding the Fourth Proportional to 13,741,387.20, 20,612,080.80 and 8,714,980.80

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Solution

The fourth proportional to 13,741,387.20, 20,612,080.80 and 8,714,980.80 is: 13,072,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,387.20 : 20,612,080.80 = 8,714,980.80 : x
  2. Step 2: Convert to fraction form
    13,741,387.20/20,612,080.80 = 8,714,980.80/x
  3. Step 3: Cross multiply
    13,741,387.20x = 20,612,080.80 × 8,714,980.80
  4. Step 4: Simplify right side
    13,741,387.20x = 179,633,888,420,048.66
  5. Step 5: Solve for x
    x = 179,633,888,420,048.66/13,741,387.20
  6. Step 6: Final answer
    x = 13,072,471.20

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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.