Home / 10,933,304.78-16,390,625.96-7,728,348.62

Finding the Fourth Proportional to 10,933,304.78, 16,390,625.96 and 7,728,348.62

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Solution

The fourth proportional to 10,933,304.78, 16,390,625.96 and 7,728,348.62 is: 11,585,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933,304.78 : 16,390,625.96 = 7,728,348.62 : x
  2. Step 2: Convert to fraction form
    10,933,304.78/16,390,625.96 = 7,728,348.62/x
  3. Step 3: Cross multiply
    10,933,304.78x = 16,390,625.96 × 7,728,348.62
  4. Step 4: Simplify right side
    10,933,304.78x = 126,672,471,456,269.92
  5. Step 5: Solve for x
    x = 126,672,471,456,269.92/10,933,304.78
  6. Step 6: Final answer
    x = 11,585,927.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.