Home / 9,978,563.57-13,770,416.41-5,394,884.94

Finding the Fourth Proportional to 9,978,563.57, 13,770,416.41 and 5,394,884.94

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Solution

The fourth proportional to 9,978,563.57, 13,770,416.41 and 5,394,884.94 is: 7,444,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,563.57 : 13,770,416.41 = 5,394,884.94 : x
  2. Step 2: Convert to fraction form
    9,978,563.57/13,770,416.41 = 5,394,884.94/x
  3. Step 3: Cross multiply
    9,978,563.57x = 13,770,416.41 × 5,394,884.94
  4. Step 4: Simplify right side
    9,978,563.57x = 74,289,812,094,350.66
  5. Step 5: Solve for x
    x = 74,289,812,094,350.66/9,978,563.57
  6. Step 6: Final answer
    x = 7,444,940.51

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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.