Home / 27,421,967.67-37,841,774.31-15,032,087.79

Finding the Fourth Proportional to 27,421,967.67, 37,841,774.31 and 15,032,087.79

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Solution

The fourth proportional to 27,421,967.67, 37,841,774.31 and 15,032,087.79 is: 20,743,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421,967.67 : 37,841,774.31 = 15,032,087.79 : x
  2. Step 2: Convert to fraction form
    27,421,967.67/37,841,774.31 = 15,032,087.79/x
  3. Step 3: Cross multiply
    27,421,967.67x = 37,841,774.31 × 15,032,087.79
  4. Step 4: Simplify right side
    27,421,967.67x = 568,840,873,557,286.62
  5. Step 5: Solve for x
    x = 568,840,873,557,286.62/27,421,967.67
  6. Step 6: Final answer
    x = 20,743,984.55

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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.