Home / 13,728,211.67-18,944,879.78-7,533,361.64

Finding the Fourth Proportional to 13,728,211.67, 18,944,879.78 and 7,533,361.64

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Solution

The fourth proportional to 13,728,211.67, 18,944,879.78 and 7,533,361.64 is: 10,396,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,211.67 : 18,944,879.78 = 7,533,361.64 : x
  2. Step 2: Convert to fraction form
    13,728,211.67/18,944,879.78 = 7,533,361.64/x
  3. Step 3: Cross multiply
    13,728,211.67x = 18,944,879.78 × 7,533,361.64
  4. Step 4: Simplify right side
    13,728,211.67x = 142,718,630,476,672.41
  5. Step 5: Solve for x
    x = 142,718,630,476,672.41/13,728,211.67
  6. Step 6: Final answer
    x = 10,396,010.34

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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.