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Finding the Fourth Proportional to 9,313,225.56, 13,978,847.76 and 6,722,201.64

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Solution

The fourth proportional to 9,313,225.56, 13,978,847.76 and 6,722,201.64 is: 10,089,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313,225.56 : 13,978,847.76 = 6,722,201.64 : x
  2. Step 2: Convert to fraction form
    9,313,225.56/13,978,847.76 = 6,722,201.64/x
  3. Step 3: Cross multiply
    9,313,225.56x = 13,978,847.76 × 6,722,201.64
  4. Step 4: Simplify right side
    9,313,225.56x = 93,968,633,337,582.31
  5. Step 5: Solve for x
    x = 93,968,633,337,582.31/9,313,225.56
  6. Step 6: Final answer
    x = 10,089,805.38

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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.