Home / 7,188,529-9,912,082.98-5,877,691.24

Finding the Fourth Proportional to 7,188,529, 9,912,082.98 and 5,877,691.24

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Solution

The fourth proportional to 7,188,529, 9,912,082.98 and 5,877,691.24 is: 8,104,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,529 : 9,912,082.98 = 5,877,691.24 : x
  2. Step 2: Convert to fraction form
    7,188,529/9,912,082.98 = 5,877,691.24/x
  3. Step 3: Cross multiply
    7,188,529x = 9,912,082.98 × 5,877,691.24
  4. Step 4: Simplify right side
    7,188,529x = 58,260,163,301,699.10
  5. Step 5: Solve for x
    x = 58,260,163,301,699.10/7,188,529
  6. Step 6: Final answer
    x = 8,104,601.55

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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.