Home / 28,147,061.25-38,842,682.09-15,923,918.25

Finding the Fourth Proportional to 28,147,061.25, 38,842,682.09 and 15,923,918.25

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Solution

The fourth proportional to 28,147,061.25, 38,842,682.09 and 15,923,918.25 is: 21,974,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147,061.25 : 38,842,682.09 = 15,923,918.25 : x
  2. Step 2: Convert to fraction form
    28,147,061.25/38,842,682.09 = 15,923,918.25/x
  3. Step 3: Cross multiply
    28,147,061.25x = 38,842,682.09 × 15,923,918.25
  4. Step 4: Simplify right side
    28,147,061.25x = 618,527,694,132,279.62
  5. Step 5: Solve for x
    x = 618,527,694,132,279.62/28,147,061.25
  6. Step 6: Final answer
    x = 21,974,858.71

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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.