Home / 13,286,910.60-18,335,936.52-7,175,338.56

Finding the Fourth Proportional to 13,286,910.60, 18,335,936.52 and 7,175,338.56

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Solution

The fourth proportional to 13,286,910.60, 18,335,936.52 and 7,175,338.56 is: 9,901,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,910.60 : 18,335,936.52 = 7,175,338.56 : x
  2. Step 2: Convert to fraction form
    13,286,910.60/18,335,936.52 = 7,175,338.56/x
  3. Step 3: Cross multiply
    13,286,910.60x = 18,335,936.52 × 7,175,338.56
  4. Step 4: Simplify right side
    13,286,910.60x = 131,566,552,345,668.20
  5. Step 5: Solve for x
    x = 131,566,552,345,668.20/13,286,910.60
  6. Step 6: Final answer
    x = 9,901,967.15

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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.