Home / 10,993,079.70-16,489,619.55-8,265,015.90

Finding the Fourth Proportional to 10,993,079.70, 16,489,619.55 and 8,265,015.90

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Solution

The fourth proportional to 10,993,079.70, 16,489,619.55 and 8,265,015.90 is: 12,397,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,079.70 : 16,489,619.55 = 8,265,015.90 : x
  2. Step 2: Convert to fraction form
    10,993,079.70/16,489,619.55 = 8,265,015.90/x
  3. Step 3: Cross multiply
    10,993,079.70x = 16,489,619.55 × 8,265,015.90
  4. Step 4: Simplify right side
    10,993,079.70x = 136,286,967,765,700.86
  5. Step 5: Solve for x
    x = 136,286,967,765,700.86/10,993,079.70
  6. Step 6: Final answer
    x = 12,397,523.85

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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.