Home / 13,351,510.80-20,027,266.20-8,863,786.80

Finding the Fourth Proportional to 13,351,510.80, 20,027,266.20 and 8,863,786.80

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Solution

The fourth proportional to 13,351,510.80, 20,027,266.20 and 8,863,786.80 is: 13,295,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,510.80 : 20,027,266.20 = 8,863,786.80 : x
  2. Step 2: Convert to fraction form
    13,351,510.80/20,027,266.20 = 8,863,786.80/x
  3. Step 3: Cross multiply
    13,351,510.80x = 20,027,266.20 × 8,863,786.80
  4. Step 4: Simplify right side
    13,351,510.80x = 177,517,417,783,646.16
  5. Step 5: Solve for x
    x = 177,517,417,783,646.16/13,351,510.80
  6. Step 6: Final answer
    x = 13,295,680.20

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Double scale
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Similar ratio
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1.5x scale

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.