Home / 20,443,255.82-30,634,590.11-8,297,940.86

Finding the Fourth Proportional to 20,443,255.82, 30,634,590.11 and 8,297,940.86

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Solution

The fourth proportional to 20,443,255.82, 30,634,590.11 and 8,297,940.86 is: 12,434,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443,255.82 : 30,634,590.11 = 8,297,940.86 : x
  2. Step 2: Convert to fraction form
    20,443,255.82/30,634,590.11 = 8,297,940.86/x
  3. Step 3: Cross multiply
    20,443,255.82x = 30,634,590.11 × 8,297,940.86
  4. Step 4: Simplify right side
    20,443,255.82x = 254,204,017,003,120.91
  5. Step 5: Solve for x
    x = 254,204,017,003,120.91/20,443,255.82
  6. Step 6: Final answer
    x = 12,434,615.08

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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.