Home / 12,188,586.72-18,282,697.83-2,966,590.92

Finding the Fourth Proportional to 12,188,586.72, 18,282,697.83 and 2,966,590.92

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Solution

The fourth proportional to 12,188,586.72, 18,282,697.83 and 2,966,590.92 is: 4,449,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,586.72 : 18,282,697.83 = 2,966,590.92 : x
  2. Step 2: Convert to fraction form
    12,188,586.72/18,282,697.83 = 2,966,590.92/x
  3. Step 3: Cross multiply
    12,188,586.72x = 18,282,697.83 × 2,966,590.92
  4. Step 4: Simplify right side
    12,188,586.72x = 54,237,285,375,581.70
  5. Step 5: Solve for x
    x = 54,237,285,375,581.70/12,188,586.72
  6. Step 6: Final answer
    x = 4,449,842.02

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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.