Home / 18,797,623.11-28,196,459.27-5,150,890.73

Finding the Fourth Proportional to 18,797,623.11, 28,196,459.27 and 5,150,890.73

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Solution

The fourth proportional to 18,797,623.11, 28,196,459.27 and 5,150,890.73 is: 7,726,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797,623.11 : 28,196,459.27 = 5,150,890.73 : x
  2. Step 2: Convert to fraction form
    18,797,623.11/28,196,459.27 = 5,150,890.73/x
  3. Step 3: Cross multiply
    18,797,623.11x = 28,196,459.27 × 5,150,890.73
  4. Step 4: Simplify right side
    18,797,623.11x = 145,236,880,672,665.56
  5. Step 5: Solve for x
    x = 145,236,880,672,665.56/18,797,623.11
  6. Step 6: Final answer
    x = 7,726,342.84

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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.