Home / 28,589,021.70-42,883,532.55-11,540,919.30

Finding the Fourth Proportional to 28,589,021.70, 42,883,532.55 and 11,540,919.30

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Solution

The fourth proportional to 28,589,021.70, 42,883,532.55 and 11,540,919.30 is: 17,311,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589,021.70 : 42,883,532.55 = 11,540,919.30 : x
  2. Step 2: Convert to fraction form
    28,589,021.70/42,883,532.55 = 11,540,919.30/x
  3. Step 3: Cross multiply
    28,589,021.70x = 42,883,532.55 × 11,540,919.30
  4. Step 4: Simplify right side
    28,589,021.70x = 494,915,388,458,473.19
  5. Step 5: Solve for x
    x = 494,915,388,458,473.19/28,589,021.70
  6. Step 6: Final answer
    x = 17,311,378.95

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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.