Home / 20,747,893.14-31,123,334.37-7,968,397.86

Finding the Fourth Proportional to 20,747,893.14, 31,123,334.37 and 7,968,397.86

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Solution

The fourth proportional to 20,747,893.14, 31,123,334.37 and 7,968,397.86 is: 11,953,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,893.14 : 31,123,334.37 = 7,968,397.86 : x
  2. Step 2: Convert to fraction form
    20,747,893.14/31,123,334.37 = 7,968,397.86/x
  3. Step 3: Cross multiply
    20,747,893.14x = 31,123,334.37 × 7,968,397.86
  4. Step 4: Simplify right side
    20,747,893.14x = 248,003,110,989,972.47
  5. Step 5: Solve for x
    x = 248,003,110,989,972.47/20,747,893.14
  6. Step 6: Final answer
    x = 11,953,170.83

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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.