Home / 39,251,285.28-54,166,776.12-21,847,257.12

Finding the Fourth Proportional to 39,251,285.28, 54,166,776.12 and 21,847,257.12

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Solution

The fourth proportional to 39,251,285.28, 54,166,776.12 and 21,847,257.12 is: 30,149,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251,285.28 : 54,166,776.12 = 21,847,257.12 : x
  2. Step 2: Convert to fraction form
    39,251,285.28/54,166,776.12 = 21,847,257.12/x
  3. Step 3: Cross multiply
    39,251,285.28x = 54,166,776.12 × 21,847,257.12
  4. Step 4: Simplify right side
    39,251,285.28x = 1,183,395,485,255,116
  5. Step 5: Solve for x
    x = 1,183,395,485,255,116/39,251,285.28
  6. Step 6: Final answer
    x = 30,149,216.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.