Home / 14,612,761.20-21,961,132.20-12,765,183.60

Finding the Fourth Proportional to 14,612,761.20, 21,961,132.20 and 12,765,183.60

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Solution

The fourth proportional to 14,612,761.20, 21,961,132.20 and 12,765,183.60 is: 19,184,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612,761.20 : 21,961,132.20 = 12,765,183.60 : x
  2. Step 2: Convert to fraction form
    14,612,761.20/21,961,132.20 = 12,765,183.60/x
  3. Step 3: Cross multiply
    14,612,761.20x = 21,961,132.20 × 12,765,183.60
  4. Step 4: Simplify right side
    14,612,761.20x = 280,337,884,596,871.91
  5. Step 5: Solve for x
    x = 280,337,884,596,871.91/14,612,761.20
  6. Step 6: Final answer
    x = 19,184,456.71

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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.