Home / 7,120,177.59-9,825,891.93-3,856,992.15

Finding the Fourth Proportional to 7,120,177.59, 9,825,891.93 and 3,856,992.15

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Solution

The fourth proportional to 7,120,177.59, 9,825,891.93 and 3,856,992.15 is: 5,322,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,177.59 : 9,825,891.93 = 3,856,992.15 : x
  2. Step 2: Convert to fraction form
    7,120,177.59/9,825,891.93 = 3,856,992.15/x
  3. Step 3: Cross multiply
    7,120,177.59x = 9,825,891.93 × 3,856,992.15
  4. Step 4: Simplify right side
    7,120,177.59x = 37,898,388,040,758.34
  5. Step 5: Solve for x
    x = 37,898,388,040,758.34/7,120,177.59
  6. Step 6: Final answer
    x = 5,322,674.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.