Home / 18,792,115.58-28,188,173.37-13,052,552.78

Finding the Fourth Proportional to 18,792,115.58, 28,188,173.37 and 13,052,552.78

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Solution

The fourth proportional to 18,792,115.58, 28,188,173.37 and 13,052,552.78 is: 19,578,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,115.58 : 28,188,173.37 = 13,052,552.78 : x
  2. Step 2: Convert to fraction form
    18,792,115.58/28,188,173.37 = 13,052,552.78/x
  3. Step 3: Cross multiply
    18,792,115.58x = 28,188,173.37 × 13,052,552.78
  4. Step 4: Simplify right side
    18,792,115.58x = 367,927,620,542,774.62
  5. Step 5: Solve for x
    x = 367,927,620,542,774.62/18,792,115.58
  6. Step 6: Final answer
    x = 19,578,829.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.