Home / 36,718,786.20-55,083,428.10-12,458,832.60

Finding the Fourth Proportional to 36,718,786.20, 55,083,428.10 and 12,458,832.60

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Solution

The fourth proportional to 36,718,786.20, 55,083,428.10 and 12,458,832.60 is: 18,690,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718,786.20 : 55,083,428.10 = 12,458,832.60 : x
  2. Step 2: Convert to fraction form
    36,718,786.20/55,083,428.10 = 12,458,832.60/x
  3. Step 3: Cross multiply
    36,718,786.20x = 55,083,428.10 × 12,458,832.60
  4. Step 4: Simplify right side
    36,718,786.20x = 686,275,209,732,036
  5. Step 5: Solve for x
    x = 686,275,209,732,036/36,718,786.20
  6. Step 6: Final answer
    x = 18,690,029.84

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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.