Home / 6,818,744.72-9,410,087.82-3,878,486.20

Finding the Fourth Proportional to 6,818,744.72, 9,410,087.82 and 3,878,486.20

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Solution

The fourth proportional to 6,818,744.72, 9,410,087.82 and 3,878,486.20 is: 5,352,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818,744.72 : 9,410,087.82 = 3,878,486.20 : x
  2. Step 2: Convert to fraction form
    6,818,744.72/9,410,087.82 = 3,878,486.20/x
  3. Step 3: Cross multiply
    6,818,744.72x = 9,410,087.82 × 3,878,486.20
  4. Step 4: Simplify right side
    6,818,744.72x = 36,496,895,750,658.09
  5. Step 5: Solve for x
    x = 36,496,895,750,658.09/6,818,744.72
  6. Step 6: Final answer
    x = 5,352,436.15

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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.