Home / 28,078,310.20-42,309,120.37-23,072,867.68

Finding the Fourth Proportional to 28,078,310.20, 42,309,120.37 and 23,072,867.68

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Solution

The fourth proportional to 28,078,310.20, 42,309,120.37 and 23,072,867.68 is: 34,766,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,310.20 : 42,309,120.37 = 23,072,867.68 : x
  2. Step 2: Convert to fraction form
    28,078,310.20/42,309,120.37 = 23,072,867.68/x
  3. Step 3: Cross multiply
    28,078,310.20x = 42,309,120.37 × 23,072,867.68
  4. Step 4: Simplify right side
    28,078,310.20x = 976,192,735,954,202.62
  5. Step 5: Solve for x
    x = 976,192,735,954,202.62/28,078,310.20
  6. Step 6: Final answer
    x = 34,766,790.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.