Home / 6,981,065.42-9,629,933.81-4,189,474.71

Finding the Fourth Proportional to 6,981,065.42, 9,629,933.81 and 4,189,474.71

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Solution

The fourth proportional to 6,981,065.42, 9,629,933.81 and 4,189,474.71 is: 5,779,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981,065.42 : 9,629,933.81 = 4,189,474.71 : x
  2. Step 2: Convert to fraction form
    6,981,065.42/9,629,933.81 = 4,189,474.71/x
  3. Step 3: Cross multiply
    6,981,065.42x = 9,629,933.81 × 4,189,474.71
  4. Step 4: Simplify right side
    6,981,065.42x = 40,344,364,135,021.57
  5. Step 5: Solve for x
    x = 40,344,364,135,021.57/6,981,065.42
  6. Step 6: Final answer
    x = 5,779,112.75

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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.