Home / 13,746,872.25-18,970,878.01-7,552,491.44

Finding the Fourth Proportional to 13,746,872.25, 18,970,878.01 and 7,552,491.44

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Solution

The fourth proportional to 13,746,872.25, 18,970,878.01 and 7,552,491.44 is: 10,422,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,872.25 : 18,970,878.01 = 7,552,491.44 : x
  2. Step 2: Convert to fraction form
    13,746,872.25/18,970,878.01 = 7,552,491.44/x
  3. Step 3: Cross multiply
    13,746,872.25x = 18,970,878.01 × 7,552,491.44
  4. Step 4: Simplify right side
    13,746,872.25x = 143,277,393,861,538.94
  5. Step 5: Solve for x
    x = 143,277,393,861,538.94/13,746,872.25
  6. Step 6: Final answer
    x = 10,422,544.95

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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.