Home / 20,591,884.24-28,416,722.28-11,299,609.80

Finding the Fourth Proportional to 20,591,884.24, 28,416,722.28 and 11,299,609.80

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Solution

The fourth proportional to 20,591,884.24, 28,416,722.28 and 11,299,609.80 is: 15,593,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,884.24 : 28,416,722.28 = 11,299,609.80 : x
  2. Step 2: Convert to fraction form
    20,591,884.24/28,416,722.28 = 11,299,609.80/x
  3. Step 3: Cross multiply
    20,591,884.24x = 28,416,722.28 × 11,299,609.80
  4. Step 4: Simplify right side
    20,591,884.24x = 321,097,873,558,966.38
  5. Step 5: Solve for x
    x = 321,097,873,558,966.38/20,591,884.24
  6. Step 6: Final answer
    x = 15,593,418.74

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1.5x scale

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.