Home / 13,900,359.24-19,182,651.79-7,940,555.33

Finding the Fourth Proportional to 13,900,359.24, 19,182,651.79 and 7,940,555.33

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Solution

The fourth proportional to 13,900,359.24, 19,182,651.79 and 7,940,555.33 is: 10,958,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,359.24 : 19,182,651.79 = 7,940,555.33 : x
  2. Step 2: Convert to fraction form
    13,900,359.24/19,182,651.79 = 7,940,555.33/x
  3. Step 3: Cross multiply
    13,900,359.24x = 19,182,651.79 × 7,940,555.33
  4. Step 4: Simplify right side
    13,900,359.24x = 152,320,907,914,618.53
  5. Step 5: Solve for x
    x = 152,320,907,914,618.53/13,900,359.24
  6. Step 6: Final answer
    x = 10,958,055.49

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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.