Home / 39,383,532.45-54,345,389.94-21,741,289.38

Finding the Fourth Proportional to 39,383,532.45, 54,345,389.94 and 21,741,289.38

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Solution

The fourth proportional to 39,383,532.45, 54,345,389.94 and 21,741,289.38 is: 30,000,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383,532.45 : 54,345,389.94 = 21,741,289.38 : x
  2. Step 2: Convert to fraction form
    39,383,532.45/54,345,389.94 = 21,741,289.38/x
  3. Step 3: Cross multiply
    39,383,532.45x = 54,345,389.94 × 21,741,289.38
  4. Step 4: Simplify right side
    39,383,532.45x = 1,181,538,849,154,480.75
  5. Step 5: Solve for x
    x = 1,181,538,849,154,480.75/39,383,532.45
  6. Step 6: Final answer
    x = 30,000,834.76

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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.