Home / 8,454,831.84-11,667,520.80-5,145,930

Finding the Fourth Proportional to 8,454,831.84, 11,667,520.80 and 5,145,930

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Solution

The fourth proportional to 8,454,831.84, 11,667,520.80 and 5,145,930 is: 7,101,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454,831.84 : 11,667,520.80 = 5,145,930 : x
  2. Step 2: Convert to fraction form
    8,454,831.84/11,667,520.80 = 5,145,930/x
  3. Step 3: Cross multiply
    8,454,831.84x = 11,667,520.80 × 5,145,930
  4. Step 4: Simplify right side
    8,454,831.84x = 60,040,245,310,344
  5. Step 5: Solve for x
    x = 60,040,245,310,344/8,454,831.84
  6. Step 6: Final answer
    x = 7,101,293.85

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1.5x scale

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.