Home / 19,299,270.38-28,876,548.62-11,489,619.18

Finding the Fourth Proportional to 19,299,270.38, 28,876,548.62 and 11,489,619.18

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Solution

The fourth proportional to 19,299,270.38, 28,876,548.62 and 11,489,619.18 is: 17,191,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299,270.38 : 28,876,548.62 = 11,489,619.18 : x
  2. Step 2: Convert to fraction form
    19,299,270.38/28,876,548.62 = 11,489,619.18/x
  3. Step 3: Cross multiply
    19,299,270.38x = 28,876,548.62 × 11,489,619.18
  4. Step 4: Simplify right side
    19,299,270.38x = 331,780,546,876,554.56
  5. Step 5: Solve for x
    x = 331,780,546,876,554.56/19,299,270.38
  6. Step 6: Final answer
    x = 17,191,351.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.