Home / 15,017,711.54-20,724,879.06-8,491,200.80

Finding the Fourth Proportional to 15,017,711.54, 20,724,879.06 and 8,491,200.80

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Solution

The fourth proportional to 15,017,711.54, 20,724,879.06 and 8,491,200.80 is: 11,718,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,711.54 : 20,724,879.06 = 8,491,200.80 : x
  2. Step 2: Convert to fraction form
    15,017,711.54/20,724,879.06 = 8,491,200.80/x
  3. Step 3: Cross multiply
    15,017,711.54x = 20,724,879.06 × 8,491,200.80
  4. Step 4: Simplify right side
    15,017,711.54x = 175,979,109,654,175.25
  5. Step 5: Solve for x
    x = 175,979,109,654,175.25/15,017,711.54
  6. Step 6: Final answer
    x = 11,718,104.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.