Home / 7,343,997.60-11,015,996.40-7,294,231.20

Finding the Fourth Proportional to 7,343,997.60, 11,015,996.40 and 7,294,231.20

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Solution

The fourth proportional to 7,343,997.60, 11,015,996.40 and 7,294,231.20 is: 10,941,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343,997.60 : 11,015,996.40 = 7,294,231.20 : x
  2. Step 2: Convert to fraction form
    7,343,997.60/11,015,996.40 = 7,294,231.20/x
  3. Step 3: Cross multiply
    7,343,997.60x = 11,015,996.40 × 7,294,231.20
  4. Step 4: Simplify right side
    7,343,997.60x = 80,353,224,639,967.69
  5. Step 5: Solve for x
    x = 80,353,224,639,967.69/7,343,997.60
  6. Step 6: Final answer
    x = 10,941,346.80

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Similar ratio
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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.