Home / 12,558,540.30-17,329,601.10-7,050,839.46

Finding the Fourth Proportional to 12,558,540.30, 17,329,601.10 and 7,050,839.46

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Solution

The fourth proportional to 12,558,540.30, 17,329,601.10 and 7,050,839.46 is: 9,729,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,540.30 : 17,329,601.10 = 7,050,839.46 : x
  2. Step 2: Convert to fraction form
    12,558,540.30/17,329,601.10 = 7,050,839.46/x
  3. Step 3: Cross multiply
    12,558,540.30x = 17,329,601.10 × 7,050,839.46
  4. Step 4: Simplify right side
    12,558,540.30x = 122,188,235,261,939.42
  5. Step 5: Solve for x
    x = 122,188,235,261,939.42/12,558,540.30
  6. Step 6: Final answer
    x = 9,729,493.42

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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.