Home / 13,904,578.88-19,188,028.32-7,625,015.36

Finding the Fourth Proportional to 13,904,578.88, 19,188,028.32 and 7,625,015.36

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Solution

The fourth proportional to 13,904,578.88, 19,188,028.32 and 7,625,015.36 is: 10,522,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,578.88 : 19,188,028.32 = 7,625,015.36 : x
  2. Step 2: Convert to fraction form
    13,904,578.88/19,188,028.32 = 7,625,015.36/x
  3. Step 3: Cross multiply
    13,904,578.88x = 19,188,028.32 × 7,625,015.36
  4. Step 4: Simplify right side
    13,904,578.88x = 146,309,010,668,115
  5. Step 5: Solve for x
    x = 146,309,010,668,115/13,904,578.88
  6. Step 6: Final answer
    x = 10,522,361.87

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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.