Home / 6,969,975.84-9,618,781.86-3,914,255.70

Finding the Fourth Proportional to 6,969,975.84, 9,618,781.86 and 3,914,255.70

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Solution

The fourth proportional to 6,969,975.84, 9,618,781.86 and 3,914,255.70 is: 5,401,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969,975.84 : 9,618,781.86 = 3,914,255.70 : x
  2. Step 2: Convert to fraction form
    6,969,975.84/9,618,781.86 = 3,914,255.70/x
  3. Step 3: Cross multiply
    6,969,975.84x = 9,618,781.86 × 3,914,255.70
  4. Step 4: Simplify right side
    6,969,975.84x = 37,650,371,722,561.60
  5. Step 5: Solve for x
    x = 37,650,371,722,561.60/6,969,975.84
  6. Step 6: Final answer
    x = 5,401,793.72

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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.