Home / 7,119,934.46-9,825,556.72-3,856,749.18

Finding the Fourth Proportional to 7,119,934.46, 9,825,556.72 and 3,856,749.18

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Solution

The fourth proportional to 7,119,934.46, 9,825,556.72 and 3,856,749.18 is: 5,322,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,934.46 : 9,825,556.72 = 3,856,749.18 : x
  2. Step 2: Convert to fraction form
    7,119,934.46/9,825,556.72 = 3,856,749.18/x
  3. Step 3: Cross multiply
    7,119,934.46x = 9,825,556.72 × 3,856,749.18
  4. Step 4: Simplify right side
    7,119,934.46x = 37,894,707,857,109.26
  5. Step 5: Solve for x
    x = 37,894,707,857,109.26/7,119,934.46
  6. Step 6: Final answer
    x = 5,322,339.43

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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.