Home / 10,783,690.72-16,183,339.11-4,219,370.73

Finding the Fourth Proportional to 10,783,690.72, 16,183,339.11 and 4,219,370.73

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Solution

The fourth proportional to 10,783,690.72, 16,183,339.11 and 4,219,370.73 is: 6,332,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,690.72 : 16,183,339.11 = 4,219,370.73 : x
  2. Step 2: Convert to fraction form
    10,783,690.72/16,183,339.11 = 4,219,370.73/x
  3. Step 3: Cross multiply
    10,783,690.72x = 16,183,339.11 × 4,219,370.73
  4. Step 4: Simplify right side
    10,783,690.72x = 68,283,507,354,398.26
  5. Step 5: Solve for x
    x = 68,283,507,354,398.26/10,783,690.72
  6. Step 6: Final answer
    x = 6,332,109.21

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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.