Home / 12,848,968.36-19,247,755.56-7,728,571.72

Finding the Fourth Proportional to 12,848,968.36, 19,247,755.56 and 7,728,571.72

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Solution

The fourth proportional to 12,848,968.36, 19,247,755.56 and 7,728,571.72 is: 11,577,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,968.36 : 19,247,755.56 = 7,728,571.72 : x
  2. Step 2: Convert to fraction form
    12,848,968.36/19,247,755.56 = 7,728,571.72/x
  3. Step 3: Cross multiply
    12,848,968.36x = 19,247,755.56 × 7,728,571.72
  4. Step 4: Simplify right side
    12,848,968.36x = 148,757,659,294,488.75
  5. Step 5: Solve for x
    x = 148,757,659,294,488.75/12,848,968.36
  6. Step 6: Final answer
    x = 11,577,401.01

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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.