Home / 13,269,157.76-18,304,414.37-9,132,006.22

Finding the Fourth Proportional to 13,269,157.76, 18,304,414.37 and 9,132,006.22

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Solution

The fourth proportional to 13,269,157.76, 18,304,414.37 and 9,132,006.22 is: 12,597,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,157.76 : 18,304,414.37 = 9,132,006.22 : x
  2. Step 2: Convert to fraction form
    13,269,157.76/18,304,414.37 = 9,132,006.22/x
  3. Step 3: Cross multiply
    13,269,157.76x = 18,304,414.37 × 9,132,006.22
  4. Step 4: Simplify right side
    13,269,157.76x = 167,156,025,874,488.88
  5. Step 5: Solve for x
    x = 167,156,025,874,488.88/13,269,157.76
  6. Step 6: Final answer
    x = 12,597,335.03

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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.