Home / 8,571,708.44-12,857,634.77-2,181,961.88

Finding the Fourth Proportional to 8,571,708.44, 12,857,634.77 and 2,181,961.88

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Solution

The fourth proportional to 8,571,708.44, 12,857,634.77 and 2,181,961.88 is: 3,272,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,708.44 : 12,857,634.77 = 2,181,961.88 : x
  2. Step 2: Convert to fraction form
    8,571,708.44/12,857,634.77 = 2,181,961.88/x
  3. Step 3: Cross multiply
    8,571,708.44x = 12,857,634.77 × 2,181,961.88
  4. Step 4: Simplify right side
    8,571,708.44x = 28,054,868,935,102.57
  5. Step 5: Solve for x
    x = 28,054,868,935,102.57/8,571,708.44
  6. Step 6: Final answer
    x = 3,272,961.18

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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.