Home / 13,775,936.31-20,666,893.91-4,191,065.73

Finding the Fourth Proportional to 13,775,936.31, 20,666,893.91 and 4,191,065.73

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Solution

The fourth proportional to 13,775,936.31, 20,666,893.91 and 4,191,065.73 is: 6,287,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,936.31 : 20,666,893.91 = 4,191,065.73 : x
  2. Step 2: Convert to fraction form
    13,775,936.31/20,666,893.91 = 4,191,065.73/x
  3. Step 3: Cross multiply
    13,775,936.31x = 20,666,893.91 × 4,191,065.73
  4. Step 4: Simplify right side
    13,775,936.31x = 86,616,310,790,791.38
  5. Step 5: Solve for x
    x = 86,616,310,790,791.38/13,775,936.31
  6. Step 6: Final answer
    x = 6,287,508.08

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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.