Home / 12,130,149.21-18,204,003.29-4,745,286.06

Finding the Fourth Proportional to 12,130,149.21, 18,204,003.29 and 4,745,286.06

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Solution

The fourth proportional to 12,130,149.21, 18,204,003.29 and 4,745,286.06 is: 7,121,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,149.21 : 18,204,003.29 = 4,745,286.06 : x
  2. Step 2: Convert to fraction form
    12,130,149.21/18,204,003.29 = 4,745,286.06/x
  3. Step 3: Cross multiply
    12,130,149.21x = 18,204,003.29 × 4,745,286.06
  4. Step 4: Simplify right side
    12,130,149.21x = 86,383,203,048,231.12
  5. Step 5: Solve for x
    x = 86,383,203,048,231.12/12,130,149.21
  6. Step 6: Final answer
    x = 7,121,363.60

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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.