Home / 13,617,845-18,792,060.64-7,422,755.41

Finding the Fourth Proportional to 13,617,845, 18,792,060.64 and 7,422,755.41

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Solution

The fourth proportional to 13,617,845, 18,792,060.64 and 7,422,755.41 is: 10,243,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,845 : 18,792,060.64 = 7,422,755.41 : x
  2. Step 2: Convert to fraction form
    13,617,845/18,792,060.64 = 7,422,755.41/x
  3. Step 3: Cross multiply
    13,617,845x = 18,792,060.64 × 7,422,755.41
  4. Step 4: Simplify right side
    13,617,845x = 139,488,869,780,608.06
  5. Step 5: Solve for x
    x = 139,488,869,780,608.06/13,617,845
  6. Step 6: Final answer
    x = 10,243,094.25

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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.