Home / 39,318,107.73-54,259,240.53-21,915,556.41

Finding the Fourth Proportional to 39,318,107.73, 54,259,240.53 and 21,915,556.41

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Solution

The fourth proportional to 39,318,107.73, 54,259,240.53 and 21,915,556.41 is: 30,243,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318,107.73 : 54,259,240.53 = 21,915,556.41 : x
  2. Step 2: Convert to fraction form
    39,318,107.73/54,259,240.53 = 21,915,556.41/x
  3. Step 3: Cross multiply
    39,318,107.73x = 54,259,240.53 × 21,915,556.41
  4. Step 4: Simplify right side
    39,318,107.73x = 1,189,121,446,598,973.25
  5. Step 5: Solve for x
    x = 1,189,121,446,598,973.25/39,318,107.73
  6. Step 6: Final answer
    x = 30,243,608.23

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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.