Home / 12,519,652.68-18,786,456.36-6,762,269.88

Finding the Fourth Proportional to 12,519,652.68, 18,786,456.36 and 6,762,269.88

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Solution

The fourth proportional to 12,519,652.68, 18,786,456.36 and 6,762,269.88 is: 10,147,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519,652.68 : 18,786,456.36 = 6,762,269.88 : x
  2. Step 2: Convert to fraction form
    12,519,652.68/18,786,456.36 = 6,762,269.88/x
  3. Step 3: Cross multiply
    12,519,652.68x = 18,786,456.36 × 6,762,269.88
  4. Step 4: Simplify right side
    12,519,652.68x = 127,039,087,995,162.44
  5. Step 5: Solve for x
    x = 127,039,087,995,162.44/12,519,652.68
  6. Step 6: Final answer
    x = 10,147,173.51

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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.