Home / 13,601,339-18,769,847.82-7,489,752.92

Finding the Fourth Proportional to 13,601,339, 18,769,847.82 and 7,489,752.92

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Solution

The fourth proportional to 13,601,339, 18,769,847.82 and 7,489,752.92 is: 10,335,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,339 : 18,769,847.82 = 7,489,752.92 : x
  2. Step 2: Convert to fraction form
    13,601,339/18,769,847.82 = 7,489,752.92/x
  3. Step 3: Cross multiply
    13,601,339x = 18,769,847.82 × 7,489,752.92
  4. Step 4: Simplify right side
    13,601,339x = 140,581,522,517,800.64
  5. Step 5: Solve for x
    x = 140,581,522,517,800.64/13,601,339
  6. Step 6: Final answer
    x = 10,335,859.03

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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.