Home / 11,537,744.20-15,926,989.52-7,188,979.12

Finding the Fourth Proportional to 11,537,744.20, 15,926,989.52 and 7,188,979.12

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Solution

The fourth proportional to 11,537,744.20, 15,926,989.52 and 7,188,979.12 is: 9,923,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537,744.20 : 15,926,989.52 = 7,188,979.12 : x
  2. Step 2: Convert to fraction form
    11,537,744.20/15,926,989.52 = 7,188,979.12/x
  3. Step 3: Cross multiply
    11,537,744.20x = 15,926,989.52 × 7,188,979.12
  4. Step 4: Simplify right side
    11,537,744.20x = 114,498,795,103,738.83
  5. Step 5: Solve for x
    x = 114,498,795,103,738.83/11,537,744.20
  6. Step 6: Final answer
    x = 9,923,845.87

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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.