Home / 7,841,245.80-11,762,451.90-2,791,900.20

Finding the Fourth Proportional to 7,841,245.80, 11,762,451.90 and 2,791,900.20

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Solution

The fourth proportional to 7,841,245.80, 11,762,451.90 and 2,791,900.20 is: 4,188,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841,245.80 : 11,762,451.90 = 2,791,900.20 : x
  2. Step 2: Convert to fraction form
    7,841,245.80/11,762,451.90 = 2,791,900.20/x
  3. Step 3: Cross multiply
    7,841,245.80x = 11,762,451.90 × 2,791,900.20
  4. Step 4: Simplify right side
    7,841,245.80x = 32,839,591,812,100.38
  5. Step 5: Solve for x
    x = 32,839,591,812,100.38/7,841,245.80
  6. Step 6: Final answer
    x = 4,188,057.95

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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.