Home / 7,119,943.08-9,825,568.62-3,856,757.77

Finding the Fourth Proportional to 7,119,943.08, 9,825,568.62 and 3,856,757.77

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Solution

The fourth proportional to 7,119,943.08, 9,825,568.62 and 3,856,757.77 is: 5,322,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,943.08 : 9,825,568.62 = 3,856,757.77 : x
  2. Step 2: Convert to fraction form
    7,119,943.08/9,825,568.62 = 3,856,757.77/x
  3. Step 3: Cross multiply
    7,119,943.08x = 9,825,568.62 × 3,856,757.77
  4. Step 4: Simplify right side
    7,119,943.08x = 37,894,838,100,569.39
  5. Step 5: Solve for x
    x = 37,894,838,100,569.39/7,119,943.08
  6. Step 6: Final answer
    x = 5,322,351.27

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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.