Home / 15,571,842.44-21,489,757.18-8,956,420.29

Finding the Fourth Proportional to 15,571,842.44, 21,489,757.18 and 8,956,420.29

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Solution

The fourth proportional to 15,571,842.44, 21,489,757.18 and 8,956,420.29 is: 12,360,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,842.44 : 21,489,757.18 = 8,956,420.29 : x
  2. Step 2: Convert to fraction form
    15,571,842.44/21,489,757.18 = 8,956,420.29/x
  3. Step 3: Cross multiply
    15,571,842.44x = 21,489,757.18 × 8,956,420.29
  4. Step 4: Simplify right side
    15,571,842.44x = 192,471,297,211,734.09
  5. Step 5: Solve for x
    x = 192,471,297,211,734.09/15,571,842.44
  6. Step 6: Final answer
    x = 12,360,213.51

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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.