Home / 15,972,115.92-22,041,471.24-8,728,771.92

Finding the Fourth Proportional to 15,972,115.92, 22,041,471.24 and 8,728,771.92

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Solution

The fourth proportional to 15,972,115.92, 22,041,471.24 and 8,728,771.92 is: 12,045,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972,115.92 : 22,041,471.24 = 8,728,771.92 : x
  2. Step 2: Convert to fraction form
    15,972,115.92/22,041,471.24 = 8,728,771.92/x
  3. Step 3: Cross multiply
    15,972,115.92x = 22,041,471.24 × 8,728,771.92
  4. Step 4: Simplify right side
    15,972,115.92x = 192,394,975,235,199.56
  5. Step 5: Solve for x
    x = 192,394,975,235,199.56/15,972,115.92
  6. Step 6: Final answer
    x = 12,045,678.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.