Home / 7,381,015.80-11,071,523.70-5,491,447.80

Finding the Fourth Proportional to 7,381,015.80, 11,071,523.70 and 5,491,447.80

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Solution

The fourth proportional to 7,381,015.80, 11,071,523.70 and 5,491,447.80 is: 8,237,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,015.80 : 11,071,523.70 = 5,491,447.80 : x
  2. Step 2: Convert to fraction form
    7,381,015.80/11,071,523.70 = 5,491,447.80/x
  3. Step 3: Cross multiply
    7,381,015.80x = 11,071,523.70 × 5,491,447.80
  4. Step 4: Simplify right side
    7,381,015.80x = 60,798,694,465,012.85
  5. Step 5: Solve for x
    x = 60,798,694,465,012.85/7,381,015.80
  6. Step 6: Final answer
    x = 8,237,171.70

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1.5x scale

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.