Home / 21,871,591.11-30,183,049.04-12,081,832.49

Finding the Fourth Proportional to 21,871,591.11, 30,183,049.04 and 12,081,832.49

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Solution

The fourth proportional to 21,871,591.11, 30,183,049.04 and 12,081,832.49 is: 16,673,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,591.11 : 30,183,049.04 = 12,081,832.49 : x
  2. Step 2: Convert to fraction form
    21,871,591.11/30,183,049.04 = 12,081,832.49/x
  3. Step 3: Cross multiply
    21,871,591.11x = 30,183,049.04 × 12,081,832.49
  4. Step 4: Simplify right side
    21,871,591.11x = 364,666,542,553,783.75
  5. Step 5: Solve for x
    x = 364,666,542,553,783.75/21,871,591.11
  6. Step 6: Final answer
    x = 16,673,068.76

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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.