Home / 6,969,977.84-9,618,784.62-3,914,257.70

Finding the Fourth Proportional to 6,969,977.84, 9,618,784.62 and 3,914,257.70

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Solution

The fourth proportional to 6,969,977.84, 9,618,784.62 and 3,914,257.70 is: 5,401,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969,977.84 : 9,618,784.62 = 3,914,257.70 : x
  2. Step 2: Convert to fraction form
    6,969,977.84/9,618,784.62 = 3,914,257.70/x
  3. Step 3: Cross multiply
    6,969,977.84x = 9,618,784.62 × 3,914,257.70
  4. Step 4: Simplify right side
    6,969,977.84x = 37,650,401,763,476.57
  5. Step 5: Solve for x
    x = 37,650,401,763,476.57/6,969,977.84
  6. Step 6: Final answer
    x = 5,401,796.48

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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.