Home / 7,231,706.16-9,979,829.78-3,968,732.23

Finding the Fourth Proportional to 7,231,706.16, 9,979,829.78 and 3,968,732.23

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Solution

The fourth proportional to 7,231,706.16, 9,979,829.78 and 3,968,732.23 is: 5,476,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,706.16 : 9,979,829.78 = 3,968,732.23 : x
  2. Step 2: Convert to fraction form
    7,231,706.16/9,979,829.78 = 3,968,732.23/x
  3. Step 3: Cross multiply
    7,231,706.16x = 9,979,829.78 × 3,968,732.23
  4. Step 4: Simplify right side
    7,231,706.16x = 39,607,272,075,330.70
  5. Step 5: Solve for x
    x = 39,607,272,075,330.70/7,231,706.16
  6. Step 6: Final answer
    x = 5,476,891.79

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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.