Home / 18,100,219.40-27,150,329.10-5,322,015.80

Finding the Fourth Proportional to 18,100,219.40, 27,150,329.10 and 5,322,015.80

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Solution

The fourth proportional to 18,100,219.40, 27,150,329.10 and 5,322,015.80 is: 7,983,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100,219.40 : 27,150,329.10 = 5,322,015.80 : x
  2. Step 2: Convert to fraction form
    18,100,219.40/27,150,329.10 = 5,322,015.80/x
  3. Step 3: Cross multiply
    18,100,219.40x = 27,150,329.10 × 5,322,015.80
  4. Step 4: Simplify right side
    18,100,219.40x = 144,494,480,445,399.78
  5. Step 5: Solve for x
    x = 144,494,480,445,399.78/18,100,219.40
  6. Step 6: Final answer
    x = 7,983,023.70

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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.