Home / 11,989,969.10-17,978,069.26-4,694,887.56

Finding the Fourth Proportional to 11,989,969.10, 17,978,069.26 and 4,694,887.56

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Solution

The fourth proportional to 11,989,969.10, 17,978,069.26 and 4,694,887.56 is: 7,039,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,969.10 : 17,978,069.26 = 4,694,887.56 : x
  2. Step 2: Convert to fraction form
    11,989,969.10/17,978,069.26 = 4,694,887.56/x
  3. Step 3: Cross multiply
    11,989,969.10x = 17,978,069.26 × 4,694,887.56
  4. Step 4: Simplify right side
    11,989,969.10x = 84,405,013,667,343.39
  5. Step 5: Solve for x
    x = 84,405,013,667,343.39/11,989,969.10
  6. Step 6: Final answer
    x = 7,039,635.63

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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.