Home / 20,353,489.44-30,505,221.64-9,408,874.64

Finding the Fourth Proportional to 20,353,489.44, 30,505,221.64 and 9,408,874.64

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Solution

The fourth proportional to 20,353,489.44, 30,505,221.64 and 9,408,874.64 is: 14,101,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353,489.44 : 30,505,221.64 = 9,408,874.64 : x
  2. Step 2: Convert to fraction form
    20,353,489.44/30,505,221.64 = 9,408,874.64/x
  3. Step 3: Cross multiply
    20,353,489.44x = 30,505,221.64 × 9,408,874.64
  4. Step 4: Simplify right side
    20,353,489.44x = 287,019,806,276,175.25
  5. Step 5: Solve for x
    x = 287,019,806,276,175.25/20,353,489.44
  6. Step 6: Final answer
    x = 14,101,749.34

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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.