Home / 12,311,996.80-18,467,995.20-12,144,035.20

Finding the Fourth Proportional to 12,311,996.80, 18,467,995.20 and 12,144,035.20

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Solution

The fourth proportional to 12,311,996.80, 18,467,995.20 and 12,144,035.20 is: 18,216,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,996.80 : 18,467,995.20 = 12,144,035.20 : x
  2. Step 2: Convert to fraction form
    12,311,996.80/18,467,995.20 = 12,144,035.20/x
  3. Step 3: Cross multiply
    12,311,996.80x = 18,467,995.20 × 12,144,035.20
  4. Step 4: Simplify right side
    12,311,996.80x = 224,275,983,782,231.03
  5. Step 5: Solve for x
    x = 224,275,983,782,231.03/12,311,996.80
  6. Step 6: Final answer
    x = 18,216,052.80

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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.