Home / 12,199,982.64-18,300,105.36-3,680,392.92

Finding the Fourth Proportional to 12,199,982.64, 18,300,105.36 and 3,680,392.92

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Solution

The fourth proportional to 12,199,982.64, 18,300,105.36 and 3,680,392.92 is: 5,520,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,982.64 : 18,300,105.36 = 3,680,392.92 : x
  2. Step 2: Convert to fraction form
    12,199,982.64/18,300,105.36 = 3,680,392.92/x
  3. Step 3: Cross multiply
    12,199,982.64x = 18,300,105.36 × 3,680,392.92
  4. Step 4: Simplify right side
    12,199,982.64x = 67,351,578,202,198.05
  5. Step 5: Solve for x
    x = 67,351,578,202,198.05/12,199,982.64
  6. Step 6: Final answer
    x = 5,520,629.02

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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.