Home / 12,394,530.90-18,591,796.35-6,654,968.10

Finding the Fourth Proportional to 12,394,530.90, 18,591,796.35 and 6,654,968.10

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Solution

The fourth proportional to 12,394,530.90, 18,591,796.35 and 6,654,968.10 is: 9,982,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,530.90 : 18,591,796.35 = 6,654,968.10 : x
  2. Step 2: Convert to fraction form
    12,394,530.90/18,591,796.35 = 6,654,968.10/x
  3. Step 3: Cross multiply
    12,394,530.90x = 18,591,796.35 × 6,654,968.10
  4. Step 4: Simplify right side
    12,394,530.90x = 123,727,811,630,946.44
  5. Step 5: Solve for x
    x = 123,727,811,630,946.44/12,394,530.90
  6. Step 6: Final answer
    x = 9,982,452.15

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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.