Home / 8,311,580.80-12,466,449.60-6,813,059.20

Finding the Fourth Proportional to 8,311,580.80, 12,466,449.60 and 6,813,059.20

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Solution

The fourth proportional to 8,311,580.80, 12,466,449.60 and 6,813,059.20 is: 10,218,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,580.80 : 12,466,449.60 = 6,813,059.20 : x
  2. Step 2: Convert to fraction form
    8,311,580.80/12,466,449.60 = 6,813,059.20/x
  3. Step 3: Cross multiply
    8,311,580.80x = 12,466,449.60 × 6,813,059.20
  4. Step 4: Simplify right side
    8,311,580.80x = 84,934,659,138,616.31
  5. Step 5: Solve for x
    x = 84,934,659,138,616.31/8,311,580.80
  6. Step 6: Final answer
    x = 10,218,833.36

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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.