Home / 18,653,212.76-27,968,421.92-8,940,797.70

Finding the Fourth Proportional to 18,653,212.76, 27,968,421.92 and 8,940,797.70

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Solution

The fourth proportional to 18,653,212.76, 27,968,421.92 and 8,940,797.70 is: 13,405,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653,212.76 : 27,968,421.92 = 8,940,797.70 : x
  2. Step 2: Convert to fraction form
    18,653,212.76/27,968,421.92 = 8,940,797.70/x
  3. Step 3: Cross multiply
    18,653,212.76x = 27,968,421.92 × 8,940,797.70
  4. Step 4: Simplify right side
    18,653,212.76x = 250,060,002,374,965.59
  5. Step 5: Solve for x
    x = 250,060,002,374,965.59/18,653,212.76
  6. Step 6: Final answer
    x = 13,405,733.67

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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.