Home / 18,678,229.92-25,774,847.21-10,837,134.79

Finding the Fourth Proportional to 18,678,229.92, 25,774,847.21 and 10,837,134.79

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Solution

The fourth proportional to 18,678,229.92, 25,774,847.21 and 10,837,134.79 is: 14,954,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,229.92 : 25,774,847.21 = 10,837,134.79 : x
  2. Step 2: Convert to fraction form
    18,678,229.92/25,774,847.21 = 10,837,134.79/x
  3. Step 3: Cross multiply
    18,678,229.92x = 25,774,847.21 × 10,837,134.79
  4. Step 4: Simplify right side
    18,678,229.92x = 279,325,493,369,081.12
  5. Step 5: Solve for x
    x = 279,325,493,369,081.12/18,678,229.92
  6. Step 6: Final answer
    x = 14,954,601.94

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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.