Home / 8,784,452.22-12,120,820.77-5,519,375.46

Finding the Fourth Proportional to 8,784,452.22, 12,120,820.77 and 5,519,375.46

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Solution

The fourth proportional to 8,784,452.22, 12,120,820.77 and 5,519,375.46 is: 7,615,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,452.22 : 12,120,820.77 = 5,519,375.46 : x
  2. Step 2: Convert to fraction form
    8,784,452.22/12,120,820.77 = 5,519,375.46/x
  3. Step 3: Cross multiply
    8,784,452.22x = 12,120,820.77 × 5,519,375.46
  4. Step 4: Simplify right side
    8,784,452.22x = 66,899,360,712,996.30
  5. Step 5: Solve for x
    x = 66,899,360,712,996.30/8,784,452.22
  6. Step 6: Final answer
    x = 7,615,655.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.