Home / 28,954,890.45-43,432,310.97-7,389,490.41

Finding the Fourth Proportional to 28,954,890.45, 43,432,310.97 and 7,389,490.41

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Solution

The fourth proportional to 28,954,890.45, 43,432,310.97 and 7,389,490.41 is: 11,084,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,890.45 : 43,432,310.97 = 7,389,490.41 : x
  2. Step 2: Convert to fraction form
    28,954,890.45/43,432,310.97 = 7,389,490.41/x
  3. Step 3: Cross multiply
    28,954,890.45x = 43,432,310.97 × 7,389,490.41
  4. Step 4: Simplify right side
    28,954,890.45x = 320,942,645,396,952.81
  5. Step 5: Solve for x
    x = 320,942,645,396,952.81/28,954,890.45
  6. Step 6: Final answer
    x = 11,084,229.31

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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.