Home / 13,486,543.65-20,229,815.48-4,965,772.95

Finding the Fourth Proportional to 13,486,543.65, 20,229,815.48 and 4,965,772.95

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Solution

The fourth proportional to 13,486,543.65, 20,229,815.48 and 4,965,772.95 is: 7,448,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,543.65 : 20,229,815.48 = 4,965,772.95 : x
  2. Step 2: Convert to fraction form
    13,486,543.65/20,229,815.48 = 4,965,772.95/x
  3. Step 3: Cross multiply
    13,486,543.65x = 20,229,815.48 × 4,965,772.95
  4. Step 4: Simplify right side
    13,486,543.65x = 100,456,670,469,246.41
  5. Step 5: Solve for x
    x = 100,456,670,469,246.41/13,486,543.65
  6. Step 6: Final answer
    x = 7,448,659.43

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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.