Home / 13,728,169.44-18,944,876.28-7,616,583.36

Finding the Fourth Proportional to 13,728,169.44, 18,944,876.28 and 7,616,583.36

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Solution

The fourth proportional to 13,728,169.44, 18,944,876.28 and 7,616,583.36 is: 10,510,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,169.44 : 18,944,876.28 = 7,616,583.36 : x
  2. Step 2: Convert to fraction form
    13,728,169.44/18,944,876.28 = 7,616,583.36/x
  3. Step 3: Cross multiply
    13,728,169.44x = 18,944,876.28 × 7,616,583.36
  4. Step 4: Simplify right side
    13,728,169.44x = 144,295,229,431,506.72
  5. Step 5: Solve for x
    x = 144,295,229,431,506.72/13,728,169.44
  6. Step 6: Final answer
    x = 10,510,886.40

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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.