Home / 7,078,767.82-10,618,379.98-1,961,247.04

Finding the Fourth Proportional to 7,078,767.82, 10,618,379.98 and 1,961,247.04

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Solution

The fourth proportional to 7,078,767.82, 10,618,379.98 and 1,961,247.04 is: 2,941,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,767.82 : 10,618,379.98 = 1,961,247.04 : x
  2. Step 2: Convert to fraction form
    7,078,767.82/10,618,379.98 = 1,961,247.04/x
  3. Step 3: Cross multiply
    7,078,767.82x = 10,618,379.98 × 1,961,247.04
  4. Step 4: Simplify right side
    7,078,767.82x = 20,825,266,305,370.26
  5. Step 5: Solve for x
    x = 20,825,266,305,370.26/7,078,767.82
  6. Step 6: Final answer
    x = 2,941,933.80

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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.