Home / 7,049,431.62-9,728,181.69-3,993,638.58

Finding the Fourth Proportional to 7,049,431.62, 9,728,181.69 and 3,993,638.58

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Solution

The fourth proportional to 7,049,431.62, 9,728,181.69 and 3,993,638.58 is: 5,511,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049,431.62 : 9,728,181.69 = 3,993,638.58 : x
  2. Step 2: Convert to fraction form
    7,049,431.62/9,728,181.69 = 3,993,638.58/x
  3. Step 3: Cross multiply
    7,049,431.62x = 9,728,181.69 × 3,993,638.58
  4. Step 4: Simplify right side
    7,049,431.62x = 38,850,841,710,433.60
  5. Step 5: Solve for x
    x = 38,850,841,710,433.60/7,049,431.62
  6. Step 6: Final answer
    x = 5,511,202.01

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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.