Home / 7,740,985.60-11,597,481.60-6,621,241.60

Finding the Fourth Proportional to 7,740,985.60, 11,597,481.60 and 6,621,241.60

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Solution

The fourth proportional to 7,740,985.60, 11,597,481.60 and 6,621,241.60 is: 9,919,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740,985.60 : 11,597,481.60 = 6,621,241.60 : x
  2. Step 2: Convert to fraction form
    7,740,985.60/11,597,481.60 = 6,621,241.60/x
  3. Step 3: Cross multiply
    7,740,985.60x = 11,597,481.60 × 6,621,241.60
  4. Step 4: Simplify right side
    7,740,985.60x = 76,789,727,625,154.55
  5. Step 5: Solve for x
    x = 76,789,727,625,154.55/7,740,985.60
  6. Step 6: Final answer
    x = 9,919,890.26

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1.5x scale

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.