Home / 13,207,501.44-19,811,404.68-3,985,553.83

Finding the Fourth Proportional to 13,207,501.44, 19,811,404.68 and 3,985,553.83

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Solution

The fourth proportional to 13,207,501.44, 19,811,404.68 and 3,985,553.83 is: 5,978,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,501.44 : 19,811,404.68 = 3,985,553.83 : x
  2. Step 2: Convert to fraction form
    13,207,501.44/19,811,404.68 = 3,985,553.83/x
  3. Step 3: Cross multiply
    13,207,501.44x = 19,811,404.68 × 3,985,553.83
  4. Step 4: Simplify right side
    13,207,501.44x = 78,959,419,839,764
  5. Step 5: Solve for x
    x = 78,959,419,839,764/13,207,501.44
  6. Step 6: Final answer
    x = 5,978,376.77

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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.