Home / 7,999,315.82-11,999,505.80-2,811,297.88

Finding the Fourth Proportional to 7,999,315.82, 11,999,505.80 and 2,811,297.88

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Solution

The fourth proportional to 7,999,315.82, 11,999,505.80 and 2,811,297.88 is: 4,217,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,315.82 : 11,999,505.80 = 2,811,297.88 : x
  2. Step 2: Convert to fraction form
    7,999,315.82/11,999,505.80 = 2,811,297.88/x
  3. Step 3: Cross multiply
    7,999,315.82x = 11,999,505.80 × 2,811,297.88
  4. Step 4: Simplify right side
    7,999,315.82x = 33,734,185,216,587.70
  5. Step 5: Solve for x
    x = 33,734,185,216,587.70/7,999,315.82
  6. Step 6: Final answer
    x = 4,217,133.81

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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.