Home / 12,395,003.20-18,593,575.80-3,419,555.20

Finding the Fourth Proportional to 12,395,003.20, 18,593,575.80 and 3,419,555.20

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Solution

The fourth proportional to 12,395,003.20, 18,593,575.80 and 3,419,555.20 is: 5,129,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,003.20 : 18,593,575.80 = 3,419,555.20 : x
  2. Step 2: Convert to fraction form
    12,395,003.20/18,593,575.80 = 3,419,555.20/x
  3. Step 3: Cross multiply
    12,395,003.20x = 18,593,575.80 × 3,419,555.20
  4. Step 4: Simplify right side
    12,395,003.20x = 63,581,758,813,484.16
  5. Step 5: Solve for x
    x = 63,581,758,813,484.16/12,395,003.20
  6. Step 6: Final answer
    x = 5,129,628.27

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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.