Home / 8,315,249.43-12,472,904.78-2,557,943.16

Finding the Fourth Proportional to 8,315,249.43, 12,472,904.78 and 2,557,943.16

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Solution

The fourth proportional to 8,315,249.43, 12,472,904.78 and 2,557,943.16 is: 3,836,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,249.43 : 12,472,904.78 = 2,557,943.16 : x
  2. Step 2: Convert to fraction form
    8,315,249.43/12,472,904.78 = 2,557,943.16/x
  3. Step 3: Cross multiply
    8,315,249.43x = 12,472,904.78 × 2,557,943.16
  4. Step 4: Simplify right side
    8,315,249.43x = 31,904,981,513,831.92
  5. Step 5: Solve for x
    x = 31,904,981,513,831.92/8,315,249.43
  6. Step 6: Final answer
    x = 3,836,924.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.