Home / 47,555,801.62-65,627,015.82-28,970,936.14

Finding the Fourth Proportional to 47,555,801.62, 65,627,015.82 and 28,970,936.14

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Solution

The fourth proportional to 47,555,801.62, 65,627,015.82 and 28,970,936.14 is: 39,979,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555,801.62 : 65,627,015.82 = 28,970,936.14 : x
  2. Step 2: Convert to fraction form
    47,555,801.62/65,627,015.82 = 28,970,936.14/x
  3. Step 3: Cross multiply
    47,555,801.62x = 65,627,015.82 × 28,970,936.14
  4. Step 4: Simplify right side
    47,555,801.62x = 1,901,276,084,379,989.75
  5. Step 5: Solve for x
    x = 1,901,276,084,379,989.75/47,555,801.62
  6. Step 6: Final answer
    x = 39,979,897.71

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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.