Home / 18,154,772.34-27,234,149.49-9,059,157.60

Finding the Fourth Proportional to 18,154,772.34, 27,234,149.49 and 9,059,157.60

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Solution

The fourth proportional to 18,154,772.34, 27,234,149.49 and 9,059,157.60 is: 13,589,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,772.34 : 27,234,149.49 = 9,059,157.60 : x
  2. Step 2: Convert to fraction form
    18,154,772.34/27,234,149.49 = 9,059,157.60/x
  3. Step 3: Cross multiply
    18,154,772.34x = 27,234,149.49 × 9,059,157.60
  4. Step 4: Simplify right side
    18,154,772.34x = 246,718,452,331,869.59
  5. Step 5: Solve for x
    x = 246,718,452,331,869.59/18,154,772.34
  6. Step 6: Final answer
    x = 13,589,729.89

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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.