Home / 7,639,217.82-11,456,396.10-2,520,693.66

Finding the Fourth Proportional to 7,639,217.82, 11,456,396.10 and 2,520,693.66

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Solution

The fourth proportional to 7,639,217.82, 11,456,396.10 and 2,520,693.66 is: 3,780,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,217.82 : 11,456,396.10 = 2,520,693.66 : x
  2. Step 2: Convert to fraction form
    7,639,217.82/11,456,396.10 = 2,520,693.66/x
  3. Step 3: Cross multiply
    7,639,217.82x = 11,456,396.10 × 2,520,693.66
  4. Step 4: Simplify right side
    7,639,217.82x = 28,878,065,015,718.73
  5. Step 5: Solve for x
    x = 28,878,065,015,718.73/7,639,217.82
  6. Step 6: Final answer
    x = 3,780,238.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.