Home / 8,261,617.86-12,383,566.80-3,995,918.10

Finding the Fourth Proportional to 8,261,617.86, 12,383,566.80 and 3,995,918.10

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Solution

The fourth proportional to 8,261,617.86, 12,383,566.80 and 3,995,918.10 is: 5,989,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,617.86 : 12,383,566.80 = 3,995,918.10 : x
  2. Step 2: Convert to fraction form
    8,261,617.86/12,383,566.80 = 3,995,918.10/x
  3. Step 3: Cross multiply
    8,261,617.86x = 12,383,566.80 × 3,995,918.10
  4. Step 4: Simplify right side
    8,261,617.86x = 49,483,718,718,679.09
  5. Step 5: Solve for x
    x = 49,483,718,718,679.09/8,261,617.86
  6. Step 6: Final answer
    x = 5,989,591.82

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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.