Home / 15,380,200.83-21,224,257.23-8,504,447.79

Finding the Fourth Proportional to 15,380,200.83, 21,224,257.23 and 8,504,447.79

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Solution

The fourth proportional to 15,380,200.83, 21,224,257.23 and 8,504,447.79 is: 11,735,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380,200.83 : 21,224,257.23 = 8,504,447.79 : x
  2. Step 2: Convert to fraction form
    15,380,200.83/21,224,257.23 = 8,504,447.79/x
  3. Step 3: Cross multiply
    15,380,200.83x = 21,224,257.23 × 8,504,447.79
  4. Step 4: Simplify right side
    15,380,200.83x = 180,500,587,494,065
  5. Step 5: Solve for x
    x = 180,500,587,494,065/15,380,200.83
  6. Step 6: Final answer
    x = 11,735,905.76

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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.