Home / 18,145,285.20-27,189,934.20-15,737,835.60

Finding the Fourth Proportional to 18,145,285.20, 27,189,934.20 and 15,737,835.60

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Solution

The fourth proportional to 18,145,285.20, 27,189,934.20 and 15,737,835.60 is: 23,582,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,285.20 : 27,189,934.20 = 15,737,835.60 : x
  2. Step 2: Convert to fraction form
    18,145,285.20/27,189,934.20 = 15,737,835.60/x
  3. Step 3: Cross multiply
    18,145,285.20x = 27,189,934.20 × 15,737,835.60
  4. Step 4: Simplify right side
    18,145,285.20x = 427,910,714,414,417.50
  5. Step 5: Solve for x
    x = 427,910,714,414,417.50/18,145,285.20
  6. Step 6: Final answer
    x = 23,582,473.89

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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.