Home / 39,438,986.62-54,397,575.03-27,680,878.69

Finding the Fourth Proportional to 39,438,986.62, 54,397,575.03 and 27,680,878.69

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Solution

The fourth proportional to 39,438,986.62, 54,397,575.03 and 27,680,878.69 is: 38,179,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438,986.62 : 54,397,575.03 = 27,680,878.69 : x
  2. Step 2: Convert to fraction form
    39,438,986.62/54,397,575.03 = 27,680,878.69/x
  3. Step 3: Cross multiply
    39,438,986.62x = 54,397,575.03 × 27,680,878.69
  4. Step 4: Simplify right side
    39,438,986.62x = 1,505,772,675,475,772.25
  5. Step 5: Solve for x
    x = 1,505,772,675,475,772.25/39,438,986.62
  6. Step 6: Final answer
    x = 38,179,801.37

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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.