Home / 20,853,463.97-31,280,133.38-5,291,262.42

Finding the Fourth Proportional to 20,853,463.97, 31,280,133.38 and 5,291,262.42

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Solution

The fourth proportional to 20,853,463.97, 31,280,133.38 and 5,291,262.42 is: 7,936,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,463.97 : 31,280,133.38 = 5,291,262.42 : x
  2. Step 2: Convert to fraction form
    20,853,463.97/31,280,133.38 = 5,291,262.42/x
  3. Step 3: Cross multiply
    20,853,463.97x = 31,280,133.38 × 5,291,262.42
  4. Step 4: Simplify right side
    20,853,463.97x = 165,511,394,219,725.25
  5. Step 5: Solve for x
    x = 165,511,394,219,725.25/20,853,463.97
  6. Step 6: Final answer
    x = 7,936,877.75

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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.