Home / 20,178,819.37-27,847,358.99-11,012,052.61

Finding the Fourth Proportional to 20,178,819.37, 27,847,358.99 and 11,012,052.61

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Solution

The fourth proportional to 20,178,819.37, 27,847,358.99 and 11,012,052.61 is: 15,196,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,819.37 : 27,847,358.99 = 11,012,052.61 : x
  2. Step 2: Convert to fraction form
    20,178,819.37/27,847,358.99 = 11,012,052.61/x
  3. Step 3: Cross multiply
    20,178,819.37x = 27,847,358.99 × 11,012,052.61
  4. Step 4: Simplify right side
    20,178,819.37x = 306,656,582,247,436.44
  5. Step 5: Solve for x
    x = 306,656,582,247,436.44/20,178,819.37
  6. Step 6: Final answer
    x = 15,196,953.63

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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.