Home / 15,766,579.25-21,753,761.72-9,236,698.43

Finding the Fourth Proportional to 15,766,579.25, 21,753,761.72 and 9,236,698.43

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Solution

The fourth proportional to 15,766,579.25, 21,753,761.72 and 9,236,698.43 is: 12,744,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766,579.25 : 21,753,761.72 = 9,236,698.43 : x
  2. Step 2: Convert to fraction form
    15,766,579.25/21,753,761.72 = 9,236,698.43/x
  3. Step 3: Cross multiply
    15,766,579.25x = 21,753,761.72 × 9,236,698.43
  4. Step 4: Simplify right side
    15,766,579.25x = 200,932,936,570,765.81
  5. Step 5: Solve for x
    x = 200,932,936,570,765.81/15,766,579.25
  6. Step 6: Final answer
    x = 12,744,231.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.