Home / 8,512,107.39-12,768,076.95-3,899,785.34

Finding the Fourth Proportional to 8,512,107.39, 12,768,076.95 and 3,899,785.34

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Solution

The fourth proportional to 8,512,107.39, 12,768,076.95 and 3,899,785.34 is: 5,849,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,107.39 : 12,768,076.95 = 3,899,785.34 : x
  2. Step 2: Convert to fraction form
    8,512,107.39/12,768,076.95 = 3,899,785.34/x
  3. Step 3: Cross multiply
    8,512,107.39x = 12,768,076.95 × 3,899,785.34
  4. Step 4: Simplify right side
    8,512,107.39x = 49,792,759,309,601.91
  5. Step 5: Solve for x
    x = 49,792,759,309,601.91/8,512,107.39
  6. Step 6: Final answer
    x = 5,849,639.46

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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.