Home / 28,396,987.70-42,595,481.55-17,647,445.30

Finding the Fourth Proportional to 28,396,987.70, 42,595,481.55 and 17,647,445.30

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Solution

The fourth proportional to 28,396,987.70, 42,595,481.55 and 17,647,445.30 is: 26,471,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396,987.70 : 42,595,481.55 = 17,647,445.30 : x
  2. Step 2: Convert to fraction form
    28,396,987.70/42,595,481.55 = 17,647,445.30/x
  3. Step 3: Cross multiply
    28,396,987.70x = 42,595,481.55 × 17,647,445.30
  4. Step 4: Simplify right side
    28,396,987.70x = 751,701,430,680,784.25
  5. Step 5: Solve for x
    x = 751,701,430,680,784.25/28,396,987.70
  6. Step 6: Final answer
    x = 26,471,167.95

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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.