Home / 13,617,806.33-18,792,007.27-7,422,716.71

Finding the Fourth Proportional to 13,617,806.33, 18,792,007.27 and 7,422,716.71

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Solution

The fourth proportional to 13,617,806.33, 18,792,007.27 and 7,422,716.71 is: 10,243,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,806.33 : 18,792,007.27 = 7,422,716.71 : x
  2. Step 2: Convert to fraction form
    13,617,806.33/18,792,007.27 = 7,422,716.71/x
  3. Step 3: Cross multiply
    13,617,806.33x = 18,792,007.27 × 7,422,716.71
  4. Step 4: Simplify right side
    13,617,806.33x = 139,487,746,382,403.69
  5. Step 5: Solve for x
    x = 139,487,746,382,403.69/13,617,806.33
  6. Step 6: Final answer
    x = 10,243,040.84

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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.