Home / 7,279,659.40-10,919,489.10-5,909,722.60

Finding the Fourth Proportional to 7,279,659.40, 10,919,489.10 and 5,909,722.60

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Solution

The fourth proportional to 7,279,659.40, 10,919,489.10 and 5,909,722.60 is: 8,864,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,659.40 : 10,919,489.10 = 5,909,722.60 : x
  2. Step 2: Convert to fraction form
    7,279,659.40/10,919,489.10 = 5,909,722.60/x
  3. Step 3: Cross multiply
    7,279,659.40x = 10,919,489.10 × 5,909,722.60
  4. Step 4: Simplify right side
    7,279,659.40x = 64,531,151,514,723.66
  5. Step 5: Solve for x
    x = 64,531,151,514,723.66/7,279,659.40
  6. Step 6: Final answer
    x = 8,864,583.90

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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.