Home / 18,711,442.20-28,067,163.30-6,580,809.30

Finding the Fourth Proportional to 18,711,442.20, 28,067,163.30 and 6,580,809.30

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Solution

The fourth proportional to 18,711,442.20, 28,067,163.30 and 6,580,809.30 is: 9,871,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,442.20 : 28,067,163.30 = 6,580,809.30 : x
  2. Step 2: Convert to fraction form
    18,711,442.20/28,067,163.30 = 6,580,809.30/x
  3. Step 3: Cross multiply
    18,711,442.20x = 28,067,163.30 × 6,580,809.30
  4. Step 4: Simplify right side
    18,711,442.20x = 184,704,649,269,258.69
  5. Step 5: Solve for x
    x = 184,704,649,269,258.69/18,711,442.20
  6. Step 6: Final answer
    x = 9,871,213.95

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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.