Home / 20,325,645.56-28,049,952.49-11,504,395.64

Finding the Fourth Proportional to 20,325,645.56, 28,049,952.49 and 11,504,395.64

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Solution

The fourth proportional to 20,325,645.56, 28,049,952.49 and 11,504,395.64 is: 15,876,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325,645.56 : 28,049,952.49 = 11,504,395.64 : x
  2. Step 2: Convert to fraction form
    20,325,645.56/28,049,952.49 = 11,504,395.64/x
  3. Step 3: Cross multiply
    20,325,645.56x = 28,049,952.49 × 11,504,395.64
  4. Step 4: Simplify right side
    20,325,645.56x = 322,697,750,959,152.38
  5. Step 5: Solve for x
    x = 322,697,750,959,152.38/20,325,645.56
  6. Step 6: Final answer
    x = 15,876,383.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.