Home / 6,511,175.20-9,766,762.80-3,326,125.60

Finding the Fourth Proportional to 6,511,175.20, 9,766,762.80 and 3,326,125.60

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Solution

The fourth proportional to 6,511,175.20, 9,766,762.80 and 3,326,125.60 is: 4,989,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511,175.20 : 9,766,762.80 = 3,326,125.60 : x
  2. Step 2: Convert to fraction form
    6,511,175.20/9,766,762.80 = 3,326,125.60/x
  3. Step 3: Cross multiply
    6,511,175.20x = 9,766,762.80 × 3,326,125.60
  4. Step 4: Simplify right side
    6,511,175.20x = 32,485,479,778,207.68
  5. Step 5: Solve for x
    x = 32,485,479,778,207.68/6,511,175.20
  6. Step 6: Final answer
    x = 4,989,188.40

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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.