Home / 11,278,201.72-16,914,593.84-5,207,100.32

Finding the Fourth Proportional to 11,278,201.72, 16,914,593.84 and 5,207,100.32

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Solution

The fourth proportional to 11,278,201.72, 16,914,593.84 and 5,207,100.32 is: 7,809,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,201.72 : 16,914,593.84 = 5,207,100.32 : x
  2. Step 2: Convert to fraction form
    11,278,201.72/16,914,593.84 = 5,207,100.32/x
  3. Step 3: Cross multiply
    11,278,201.72x = 16,914,593.84 × 5,207,100.32
  4. Step 4: Simplify right side
    11,278,201.72x = 88,075,986,996,934.03
  5. Step 5: Solve for x
    x = 88,075,986,996,934.03/11,278,201.72
  6. Step 6: Final answer
    x = 7,809,399.87

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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.