Home / 20,591,878.56-28,416,714.42-11,299,604.10

Finding the Fourth Proportional to 20,591,878.56, 28,416,714.42 and 11,299,604.10

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Solution

The fourth proportional to 20,591,878.56, 28,416,714.42 and 11,299,604.10 is: 15,593,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,878.56 : 28,416,714.42 = 11,299,604.10 : x
  2. Step 2: Convert to fraction form
    20,591,878.56/28,416,714.42 = 11,299,604.10/x
  3. Step 3: Cross multiply
    20,591,878.56x = 28,416,714.42 × 11,299,604.10
  4. Step 4: Simplify right side
    20,591,878.56x = 321,097,622,704,571.94
  5. Step 5: Solve for x
    x = 321,097,622,704,571.94/20,591,878.56
  6. Step 6: Final answer
    x = 15,593,410.86

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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.