Home / 13,860,600.12-20,792,326.16-5,231,968.60

Finding the Fourth Proportional to 13,860,600.12, 20,792,326.16 and 5,231,968.60

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Solution

The fourth proportional to 13,860,600.12, 20,792,326.16 and 5,231,968.60 is: 7,848,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,600.12 : 20,792,326.16 = 5,231,968.60 : x
  2. Step 2: Convert to fraction form
    13,860,600.12/20,792,326.16 = 5,231,968.60/x
  3. Step 3: Cross multiply
    13,860,600.12x = 20,792,326.16 × 5,231,968.60
  4. Step 4: Simplify right side
    13,860,600.12x = 108,784,797,590,078.56
  5. Step 5: Solve for x
    x = 108,784,797,590,078.56/13,860,600.12
  6. Step 6: Final answer
    x = 7,848,491.17

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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.