Home / 7,378,786.32-11,071,542.51-3,787,075.54

Finding the Fourth Proportional to 7,378,786.32, 11,071,542.51 and 3,787,075.54

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Solution

The fourth proportional to 7,378,786.32, 11,071,542.51 and 3,787,075.54 is: 5,682,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,786.32 : 11,071,542.51 = 3,787,075.54 : x
  2. Step 2: Convert to fraction form
    7,378,786.32/11,071,542.51 = 3,787,075.54/x
  3. Step 3: Cross multiply
    7,378,786.32x = 11,071,542.51 × 3,787,075.54
  4. Step 4: Simplify right side
    7,378,786.32x = 41,928,767,755,398.12
  5. Step 5: Solve for x
    x = 41,928,767,755,398.12/7,378,786.32
  6. Step 6: Final answer
    x = 5,682,339.34

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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.