Home / 9,378,634.49-12,942,237.11-5,192,505.56

Finding the Fourth Proportional to 9,378,634.49, 12,942,237.11 and 5,192,505.56

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Solution

The fourth proportional to 9,378,634.49, 12,942,237.11 and 5,192,505.56 is: 7,165,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,634.49 : 12,942,237.11 = 5,192,505.56 : x
  2. Step 2: Convert to fraction form
    9,378,634.49/12,942,237.11 = 5,192,505.56/x
  3. Step 3: Cross multiply
    9,378,634.49x = 12,942,237.11 × 5,192,505.56
  4. Step 4: Simplify right side
    9,378,634.49x = 67,202,638,140,703.14
  5. Step 5: Solve for x
    x = 67,202,638,140,703.14/9,378,634.49
  6. Step 6: Final answer
    x = 7,165,503.49

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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.