Home / 8,077,212.20-12,115,818.30-2,959,632.20

Finding the Fourth Proportional to 8,077,212.20, 12,115,818.30 and 2,959,632.20

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Solution

The fourth proportional to 8,077,212.20, 12,115,818.30 and 2,959,632.20 is: 4,439,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,212.20 : 12,115,818.30 = 2,959,632.20 : x
  2. Step 2: Convert to fraction form
    8,077,212.20/12,115,818.30 = 2,959,632.20/x
  3. Step 3: Cross multiply
    8,077,212.20x = 12,115,818.30 × 2,959,632.20
  4. Step 4: Simplify right side
    8,077,212.20x = 35,858,365,970,029.27
  5. Step 5: Solve for x
    x = 35,858,365,970,029.27/8,077,212.20
  6. Step 6: Final answer
    x = 4,439,448.30

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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.