Home / 8,305,846.40-12,456,436.80-2,627,811.20

Finding the Fourth Proportional to 8,305,846.40, 12,456,436.80 and 2,627,811.20

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Solution

The fourth proportional to 8,305,846.40, 12,456,436.80 and 2,627,811.20 is: 3,940,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,846.40 : 12,456,436.80 = 2,627,811.20 : x
  2. Step 2: Convert to fraction form
    8,305,846.40/12,456,436.80 = 2,627,811.20/x
  3. Step 3: Cross multiply
    8,305,846.40x = 12,456,436.80 × 2,627,811.20
  4. Step 4: Simplify right side
    8,305,846.40x = 32,733,164,135,132.16
  5. Step 5: Solve for x
    x = 32,733,164,135,132.16/8,305,846.40
  6. Step 6: Final answer
    x = 3,940,978.75

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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.