Home / 12,664,945.24-18,997,728.87-3,566,981.27

Finding the Fourth Proportional to 12,664,945.24, 18,997,728.87 and 3,566,981.27

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Solution

The fourth proportional to 12,664,945.24, 18,997,728.87 and 3,566,981.27 is: 5,350,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,945.24 : 18,997,728.87 = 3,566,981.27 : x
  2. Step 2: Convert to fraction form
    12,664,945.24/18,997,728.87 = 3,566,981.27/x
  3. Step 3: Cross multiply
    12,664,945.24x = 18,997,728.87 × 3,566,981.27
  4. Step 4: Simplify right side
    12,664,945.24x = 67,764,542,956,839.62
  5. Step 5: Solve for x
    x = 67,764,542,956,839.62/12,664,945.24
  6. Step 6: Final answer
    x = 5,350,559.49

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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.