Home / 8,200,419.20-12,300,628.80-2,216,787.20

Finding the Fourth Proportional to 8,200,419.20, 12,300,628.80 and 2,216,787.20

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Solution

The fourth proportional to 8,200,419.20, 12,300,628.80 and 2,216,787.20 is: 3,325,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,419.20 : 12,300,628.80 = 2,216,787.20 : x
  2. Step 2: Convert to fraction form
    8,200,419.20/12,300,628.80 = 2,216,787.20/x
  3. Step 3: Cross multiply
    8,200,419.20x = 12,300,628.80 × 2,216,787.20
  4. Step 4: Simplify right side
    8,200,419.20x = 27,267,876,475,791.36
  5. Step 5: Solve for x
    x = 27,267,876,475,791.36/8,200,419.20
  6. Step 6: Final answer
    x = 3,325,180.80

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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.