Home / 13,986,003.60-20,979,005.40-10,206,867.60

Finding the Fourth Proportional to 13,986,003.60, 20,979,005.40 and 10,206,867.60

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Solution

The fourth proportional to 13,986,003.60, 20,979,005.40 and 10,206,867.60 is: 15,310,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,003.60 : 20,979,005.40 = 10,206,867.60 : x
  2. Step 2: Convert to fraction form
    13,986,003.60/20,979,005.40 = 10,206,867.60/x
  3. Step 3: Cross multiply
    13,986,003.60x = 20,979,005.40 × 10,206,867.60
  4. Step 4: Simplify right side
    13,986,003.60x = 214,129,930,497,485.03
  5. Step 5: Solve for x
    x = 214,129,930,497,485.03/13,986,003.60
  6. Step 6: Final answer
    x = 15,310,301.40

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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.