Home / 13,617,843.87-18,792,059.09-7,422,754.29

Finding the Fourth Proportional to 13,617,843.87, 18,792,059.09 and 7,422,754.29

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Solution

The fourth proportional to 13,617,843.87, 18,792,059.09 and 7,422,754.29 is: 10,243,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,843.87 : 18,792,059.09 = 7,422,754.29 : x
  2. Step 2: Convert to fraction form
    13,617,843.87/18,792,059.09 = 7,422,754.29/x
  3. Step 3: Cross multiply
    13,617,843.87x = 18,792,059.09 × 7,422,754.29
  4. Step 4: Simplify right side
    13,617,843.87x = 139,488,837,228,231
  5. Step 5: Solve for x
    x = 139,488,837,228,231/13,617,843.87
  6. Step 6: Final answer
    x = 10,243,092.71

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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.