Home / 13,062,556.29-19,551,188.31-9,603,382.78

Finding the Fourth Proportional to 13,062,556.29, 19,551,188.31 and 9,603,382.78

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Solution

The fourth proportional to 13,062,556.29, 19,551,188.31 and 9,603,382.78 is: 14,373,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062,556.29 : 19,551,188.31 = 9,603,382.78 : x
  2. Step 2: Convert to fraction form
    13,062,556.29/19,551,188.31 = 9,603,382.78/x
  3. Step 3: Cross multiply
    13,062,556.29x = 19,551,188.31 × 9,603,382.78
  4. Step 4: Simplify right side
    13,062,556.29x = 187,757,545,144,791.28
  5. Step 5: Solve for x
    x = 187,757,545,144,791.28/13,062,556.29
  6. Step 6: Final answer
    x = 14,373,721.42

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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.