Home / 20,292,793.36-28,003,311.72-11,125,234.96

Finding the Fourth Proportional to 20,292,793.36, 28,003,311.72 and 11,125,234.96

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Solution

The fourth proportional to 20,292,793.36, 28,003,311.72 and 11,125,234.96 is: 15,352,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,793.36 : 28,003,311.72 = 11,125,234.96 : x
  2. Step 2: Convert to fraction form
    20,292,793.36/28,003,311.72 = 11,125,234.96/x
  3. Step 3: Cross multiply
    20,292,793.36x = 28,003,311.72 × 11,125,234.96
  4. Step 4: Simplify right side
    20,292,793.36x = 311,543,422,543,121.75
  5. Step 5: Solve for x
    x = 311,543,422,543,121.75/20,292,793.36
  6. Step 6: Final answer
    x = 15,352,416.84

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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.