Home / 13,439,469.10-20,167,076.85-4,920,666.70

Finding the Fourth Proportional to 13,439,469.10, 20,167,076.85 and 4,920,666.70

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Solution

The fourth proportional to 13,439,469.10, 20,167,076.85 and 4,920,666.70 is: 7,383,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,469.10 : 20,167,076.85 = 4,920,666.70 : x
  2. Step 2: Convert to fraction form
    13,439,469.10/20,167,076.85 = 4,920,666.70/x
  3. Step 3: Cross multiply
    13,439,469.10x = 20,167,076.85 × 4,920,666.70
  4. Step 4: Simplify right side
    13,439,469.10x = 99,235,463,492,135.91
  5. Step 5: Solve for x
    x = 99,235,463,492,135.91/13,439,469.10
  6. Step 6: Final answer
    x = 7,383,882.71

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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.