Home / 8,690,836.20-13,039,364.70-3,643,693.80

Finding the Fourth Proportional to 8,690,836.20, 13,039,364.70 and 3,643,693.80

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Solution

The fourth proportional to 8,690,836.20, 13,039,364.70 and 3,643,693.80 is: 5,466,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,836.20 : 13,039,364.70 = 3,643,693.80 : x
  2. Step 2: Convert to fraction form
    8,690,836.20/13,039,364.70 = 3,643,693.80/x
  3. Step 3: Cross multiply
    8,690,836.20x = 13,039,364.70 × 3,643,693.80
  4. Step 4: Simplify right side
    8,690,836.20x = 47,511,452,313,328.85
  5. Step 5: Solve for x
    x = 47,511,452,313,328.85/8,690,836.20
  6. Step 6: Final answer
    x = 5,466,844.76

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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.