Home / 12,292,867.80-18,439,301.70-5,200,234.20

Finding the Fourth Proportional to 12,292,867.80, 18,439,301.70 and 5,200,234.20

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Solution

The fourth proportional to 12,292,867.80, 18,439,301.70 and 5,200,234.20 is: 7,800,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,867.80 : 18,439,301.70 = 5,200,234.20 : x
  2. Step 2: Convert to fraction form
    12,292,867.80/18,439,301.70 = 5,200,234.20/x
  3. Step 3: Cross multiply
    12,292,867.80x = 18,439,301.70 × 5,200,234.20
  4. Step 4: Simplify right side
    12,292,867.80x = 95,888,687,324,458.14
  5. Step 5: Solve for x
    x = 95,888,687,324,458.14/12,292,867.80
  6. Step 6: Final answer
    x = 7,800,351.30

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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.