Home / 13,287,067.47-18,336,153.38-7,175,495.97

Finding the Fourth Proportional to 13,287,067.47, 18,336,153.38 and 7,175,495.97

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Solution

The fourth proportional to 13,287,067.47, 18,336,153.38 and 7,175,495.97 is: 9,902,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,067.47 : 18,336,153.38 = 7,175,495.97 : x
  2. Step 2: Convert to fraction form
    13,287,067.47/18,336,153.38 = 7,175,495.97/x
  3. Step 3: Cross multiply
    13,287,067.47x = 18,336,153.38 × 7,175,495.97
  4. Step 4: Simplify right side
    13,287,067.47x = 131,570,994,647,614.39
  5. Step 5: Solve for x
    x = 131,570,994,647,614.39/13,287,067.47
  6. Step 6: Final answer
    x = 9,902,184.58

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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.