Home / 13,004,493.78-17,946,202.79-7,203,651.24

Finding the Fourth Proportional to 13,004,493.78, 17,946,202.79 and 7,203,651.24

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Solution

The fourth proportional to 13,004,493.78, 17,946,202.79 and 7,203,651.24 is: 9,941,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004,493.78 : 17,946,202.79 = 7,203,651.24 : x
  2. Step 2: Convert to fraction form
    13,004,493.78/17,946,202.79 = 7,203,651.24/x
  3. Step 3: Cross multiply
    13,004,493.78x = 17,946,202.79 × 7,203,651.24
  4. Step 4: Simplify right side
    13,004,493.78x = 129,278,185,981,474.95
  5. Step 5: Solve for x
    x = 129,278,185,981,474.95/13,004,493.78
  6. Step 6: Final answer
    x = 9,941,039.47

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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.