Home / 8,784,453.22-12,120,822.15-5,519,376.46

Finding the Fourth Proportional to 8,784,453.22, 12,120,822.15 and 5,519,376.46

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Solution

The fourth proportional to 8,784,453.22, 12,120,822.15 and 5,519,376.46 is: 7,615,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,453.22 : 12,120,822.15 = 5,519,376.46 : x
  2. Step 2: Convert to fraction form
    8,784,453.22/12,120,822.15 = 5,519,376.46/x
  3. Step 3: Cross multiply
    8,784,453.22x = 12,120,822.15 × 5,519,376.46
  4. Step 4: Simplify right side
    8,784,453.22x = 66,899,380,450,556.59
  5. Step 5: Solve for x
    x = 66,899,380,450,556.59/8,784,453.22
  6. Step 6: Final answer
    x = 7,615,656.75

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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.