Home / 13,667,416.10-20,504,234.55-7,984,715.30

Finding the Fourth Proportional to 13,667,416.10, 20,504,234.55 and 7,984,715.30

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Solution

The fourth proportional to 13,667,416.10, 20,504,234.55 and 7,984,715.30 is: 11,978,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,416.10 : 20,504,234.55 = 7,984,715.30 : x
  2. Step 2: Convert to fraction form
    13,667,416.10/20,504,234.55 = 7,984,715.30/x
  3. Step 3: Cross multiply
    13,667,416.10x = 20,504,234.55 × 7,984,715.30
  4. Step 4: Simplify right side
    13,667,416.10x = 163,720,475,326,173.62
  5. Step 5: Solve for x
    x = 163,720,475,326,173.62/13,667,416.10
  6. Step 6: Final answer
    x = 11,978,890.09

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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.