Home / 38,411,198.25-53,007,334.97-20,769,977.33

Finding the Fourth Proportional to 38,411,198.25, 53,007,334.97 and 20,769,977.33

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Solution

The fourth proportional to 38,411,198.25, 53,007,334.97 and 20,769,977.33 is: 28,662,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411,198.25 : 53,007,334.97 = 20,769,977.33 : x
  2. Step 2: Convert to fraction form
    38,411,198.25/53,007,334.97 = 20,769,977.33/x
  3. Step 3: Cross multiply
    38,411,198.25x = 53,007,334.97 × 20,769,977.33
  4. Step 4: Simplify right side
    38,411,198.25x = 1,100,961,145,650,616.12
  5. Step 5: Solve for x
    x = 1,100,961,145,650,616.12/38,411,198.25
  6. Step 6: Final answer
    x = 28,662,504.58

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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.