Home / 20,449,665.32-30,642,965.82-10,062,960.68

Finding the Fourth Proportional to 20,449,665.32, 30,642,965.82 and 10,062,960.68

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Solution

The fourth proportional to 20,449,665.32, 30,642,965.82 and 10,062,960.68 is: 15,078,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,665.32 : 30,642,965.82 = 10,062,960.68 : x
  2. Step 2: Convert to fraction form
    20,449,665.32/30,642,965.82 = 10,062,960.68/x
  3. Step 3: Cross multiply
    20,449,665.32x = 30,642,965.82 × 10,062,960.68
  4. Step 4: Simplify right side
    20,449,665.32x = 308,358,960,165,243.94
  5. Step 5: Solve for x
    x = 308,358,960,165,243.94/20,449,665.32
  6. Step 6: Final answer
    x = 15,078,924.54

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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.