Home / 28,589,020.20-42,883,530.30-11,540,917.80

Finding the Fourth Proportional to 28,589,020.20, 42,883,530.30 and 11,540,917.80

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Solution

The fourth proportional to 28,589,020.20, 42,883,530.30 and 11,540,917.80 is: 17,311,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589,020.20 : 42,883,530.30 = 11,540,917.80 : x
  2. Step 2: Convert to fraction form
    28,589,020.20/42,883,530.30 = 11,540,917.80/x
  3. Step 3: Cross multiply
    28,589,020.20x = 42,883,530.30 × 11,540,917.80
  4. Step 4: Simplify right side
    28,589,020.20x = 494,915,298,166,109.31
  5. Step 5: Solve for x
    x = 494,915,298,166,109.31/28,589,020.20
  6. Step 6: Final answer
    x = 17,311,376.70

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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.