Home / 7,206,072-9,944,505.72-3,943,172.58

Finding the Fourth Proportional to 7,206,072, 9,944,505.72 and 3,943,172.58

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Solution

The fourth proportional to 7,206,072, 9,944,505.72 and 3,943,172.58 is: 5,441,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206,072 : 9,944,505.72 = 3,943,172.58 : x
  2. Step 2: Convert to fraction form
    7,206,072/9,944,505.72 = 3,943,172.58/x
  3. Step 3: Cross multiply
    7,206,072x = 9,944,505.72 × 3,943,172.58
  4. Step 4: Simplify right side
    7,206,072x = 39,212,902,276,757.16
  5. Step 5: Solve for x
    x = 39,212,902,276,757.16/7,206,072
  6. Step 6: Final answer
    x = 5,441,647.30

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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.