Home / 13,722,778.74-20,558,186.46-9,160,069.80

Finding the Fourth Proportional to 13,722,778.74, 20,558,186.46 and 9,160,069.80

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Solution

The fourth proportional to 13,722,778.74, 20,558,186.46 and 9,160,069.80 is: 13,722,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722,778.74 : 20,558,186.46 = 9,160,069.80 : x
  2. Step 2: Convert to fraction form
    13,722,778.74/20,558,186.46 = 9,160,069.80/x
  3. Step 3: Cross multiply
    13,722,778.74x = 20,558,186.46 × 9,160,069.80
  4. Step 4: Simplify right side
    13,722,778.74x = 188,314,422,935,014.94
  5. Step 5: Solve for x
    x = 188,314,422,935,014.94/13,722,778.74
  6. Step 6: Final answer
    x = 13,722,761.73

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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.