Home / 20,458,385.03-30,691,620.14-7,504,655.96

Finding the Fourth Proportional to 20,458,385.03, 30,691,620.14 and 7,504,655.96

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Solution

The fourth proportional to 20,458,385.03, 30,691,620.14 and 7,504,655.96 is: 11,258,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,385.03 : 30,691,620.14 = 7,504,655.96 : x
  2. Step 2: Convert to fraction form
    20,458,385.03/30,691,620.14 = 7,504,655.96/x
  3. Step 3: Cross multiply
    20,458,385.03x = 30,691,620.14 × 7,504,655.96
  4. Step 4: Simplify right side
    20,458,385.03x = 230,330,049,814,725.66
  5. Step 5: Solve for x
    x = 230,330,049,814,725.66/20,458,385.03
  6. Step 6: Final answer
    x = 11,258,466.86

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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.