Home / 7,167,736.87-9,891,156.89-4,187,716.34

Finding the Fourth Proportional to 7,167,736.87, 9,891,156.89 and 4,187,716.34

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Solution

The fourth proportional to 7,167,736.87, 9,891,156.89 and 4,187,716.34 is: 5,778,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,736.87 : 9,891,156.89 = 4,187,716.34 : x
  2. Step 2: Convert to fraction form
    7,167,736.87/9,891,156.89 = 4,187,716.34/x
  3. Step 3: Cross multiply
    7,167,736.87x = 9,891,156.89 × 4,187,716.34
  4. Step 4: Simplify right side
    7,167,736.87x = 41,421,359,290,770.09
  5. Step 5: Solve for x
    x = 41,421,359,290,770.09/7,167,736.87
  6. Step 6: Final answer
    x = 5,778,861.59

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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.