Home / 12,214,556.40-18,321,251.40-4,126,738.80

Finding the Fourth Proportional to 12,214,556.40, 18,321,251.40 and 4,126,738.80

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Solution

The fourth proportional to 12,214,556.40, 18,321,251.40 and 4,126,738.80 is: 6,189,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,556.40 : 18,321,251.40 = 4,126,738.80 : x
  2. Step 2: Convert to fraction form
    12,214,556.40/18,321,251.40 = 4,126,738.80/x
  3. Step 3: Cross multiply
    12,214,556.40x = 18,321,251.40 × 4,126,738.80
  4. Step 4: Simplify right side
    12,214,556.40x = 75,607,019,016,934.31
  5. Step 5: Solve for x
    x = 75,607,019,016,934.31/12,214,556.40
  6. Step 6: Final answer
    x = 6,189,911.16

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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.