Home / 13,322,553.53-18,384,097.68-7,521,907.82

Finding the Fourth Proportional to 13,322,553.53, 18,384,097.68 and 7,521,907.82

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Solution

The fourth proportional to 13,322,553.53, 18,384,097.68 and 7,521,907.82 is: 10,379,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,553.53 : 18,384,097.68 = 7,521,907.82 : x
  2. Step 2: Convert to fraction form
    13,322,553.53/18,384,097.68 = 7,521,907.82/x
  3. Step 3: Cross multiply
    13,322,553.53x = 18,384,097.68 × 7,521,907.82
  4. Step 4: Simplify right side
    13,322,553.53x = 138,283,488,010,915.38
  5. Step 5: Solve for x
    x = 138,283,488,010,915.38/13,322,553.53
  6. Step 6: Final answer
    x = 10,379,653.40

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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.