Home / 7,841,217.80-11,762,409.90-2,791,872.20

Finding the Fourth Proportional to 7,841,217.80, 11,762,409.90 and 2,791,872.20

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Solution

The fourth proportional to 7,841,217.80, 11,762,409.90 and 2,791,872.20 is: 4,188,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841,217.80 : 11,762,409.90 = 2,791,872.20 : x
  2. Step 2: Convert to fraction form
    7,841,217.80/11,762,409.90 = 2,791,872.20/x
  3. Step 3: Cross multiply
    7,841,217.80x = 11,762,409.90 × 2,791,872.20
  4. Step 4: Simplify right side
    7,841,217.80x = 32,839,145,204,814.79
  5. Step 5: Solve for x
    x = 32,839,145,204,814.79/7,841,217.80
  6. Step 6: Final answer
    x = 4,188,015.95

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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.