Home / 6,728,990.95-9,286,105.44-3,828,319.39

Finding the Fourth Proportional to 6,728,990.95, 9,286,105.44 and 3,828,319.39

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Solution

The fourth proportional to 6,728,990.95, 9,286,105.44 and 3,828,319.39 is: 5,283,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,990.95 : 9,286,105.44 = 3,828,319.39 : x
  2. Step 2: Convert to fraction form
    6,728,990.95/9,286,105.44 = 3,828,319.39/x
  3. Step 3: Cross multiply
    6,728,990.95x = 9,286,105.44 × 3,828,319.39
  4. Step 4: Simplify right side
    6,728,990.95x = 35,550,177,513,536.48
  5. Step 5: Solve for x
    x = 35,550,177,513,536.48/6,728,990.95
  6. Step 6: Final answer
    x = 5,283,136.47

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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.