Home / 20,374,840.44-28,114,725.26-13,773,791.96

Finding the Fourth Proportional to 20,374,840.44, 28,114,725.26 and 13,773,791.96

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Solution

The fourth proportional to 20,374,840.44, 28,114,725.26 and 13,773,791.96 is: 19,006,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374,840.44 : 28,114,725.26 = 13,773,791.96 : x
  2. Step 2: Convert to fraction form
    20,374,840.44/28,114,725.26 = 13,773,791.96/x
  3. Step 3: Cross multiply
    20,374,840.44x = 28,114,725.26 × 13,773,791.96
  4. Step 4: Simplify right side
    20,374,840.44x = 387,246,376,534,354.31
  5. Step 5: Solve for x
    x = 387,246,376,534,354.31/20,374,840.44
  6. Step 6: Final answer
    x = 19,006,105.97

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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.