Home / 27,900,776.78-41,858,238.80-19,719,515.96

Finding the Fourth Proportional to 27,900,776.78, 41,858,238.80 and 19,719,515.96

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Solution

The fourth proportional to 27,900,776.78, 41,858,238.80 and 19,719,515.96 is: 29,584,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900,776.78 : 41,858,238.80 = 19,719,515.96 : x
  2. Step 2: Convert to fraction form
    27,900,776.78/41,858,238.80 = 19,719,515.96/x
  3. Step 3: Cross multiply
    27,900,776.78x = 41,858,238.80 × 19,719,515.96
  4. Step 4: Simplify right side
    27,900,776.78x = 825,424,207,766,202.38
  5. Step 5: Solve for x
    x = 825,424,207,766,202.38/27,900,776.78
  6. Step 6: Final answer
    x = 29,584,273.39

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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.