Home / 20,555,252.92-30,836,768.06-8,260,173.36

Finding the Fourth Proportional to 20,555,252.92, 30,836,768.06 and 8,260,173.36

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Solution

The fourth proportional to 20,555,252.92, 30,836,768.06 and 8,260,173.36 is: 12,391,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555,252.92 : 30,836,768.06 = 8,260,173.36 : x
  2. Step 2: Convert to fraction form
    20,555,252.92/30,836,768.06 = 8,260,173.36/x
  3. Step 3: Cross multiply
    20,555,252.92x = 30,836,768.06 × 8,260,173.36
  4. Step 4: Simplify right side
    20,555,252.92x = 254,717,050,037,710.88
  5. Step 5: Solve for x
    x = 254,717,050,037,710.88/20,555,252.92
  6. Step 6: Final answer
    x = 12,391,822.71

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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.