Home / 6,878,968.20-10,318,452.30-3,892,984.20

Finding the Fourth Proportional to 6,878,968.20, 10,318,452.30 and 3,892,984.20

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Solution

The fourth proportional to 6,878,968.20, 10,318,452.30 and 3,892,984.20 is: 5,839,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,968.20 : 10,318,452.30 = 3,892,984.20 : x
  2. Step 2: Convert to fraction form
    6,878,968.20/10,318,452.30 = 3,892,984.20/x
  3. Step 3: Cross multiply
    6,878,968.20x = 10,318,452.30 × 3,892,984.20
  4. Step 4: Simplify right side
    6,878,968.20x = 40,169,571,772,353.66
  5. Step 5: Solve for x
    x = 40,169,571,772,353.66/6,878,968.20
  6. Step 6: Final answer
    x = 5,839,476.30

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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.