Home / 7,134,839.40-10,694,385.90-3,942,256.80

Finding the Fourth Proportional to 7,134,839.40, 10,694,385.90 and 3,942,256.80

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Solution

The fourth proportional to 7,134,839.40, 10,694,385.90 and 3,942,256.80 is: 5,909,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,839.40 : 10,694,385.90 = 3,942,256.80 : x
  2. Step 2: Convert to fraction form
    7,134,839.40/10,694,385.90 = 3,942,256.80/x
  3. Step 3: Cross multiply
    7,134,839.40x = 10,694,385.90 × 3,942,256.80
  4. Step 4: Simplify right side
    7,134,839.40x = 42,160,015,536,099.12
  5. Step 5: Solve for x
    x = 42,160,015,536,099.12/7,134,839.40
  6. Step 6: Final answer
    x = 5,909,034.97

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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.