Home / 8,261,619.36-12,383,569.05-3,995,919.60

Finding the Fourth Proportional to 8,261,619.36, 12,383,569.05 and 3,995,919.60

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Solution

The fourth proportional to 8,261,619.36, 12,383,569.05 and 3,995,919.60 is: 5,989,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,619.36 : 12,383,569.05 = 3,995,919.60 : x
  2. Step 2: Convert to fraction form
    8,261,619.36/12,383,569.05 = 3,995,919.60/x
  3. Step 3: Cross multiply
    8,261,619.36x = 12,383,569.05 × 3,995,919.60
  4. Step 4: Simplify right side
    8,261,619.36x = 49,483,746,284,848.38
  5. Step 5: Solve for x
    x = 49,483,746,284,848.38/8,261,619.36
  6. Step 6: Final answer
    x = 5,989,594.06

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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.