Home / 8,250,067.20-11,387,185.56-5,637,628.92

Finding the Fourth Proportional to 8,250,067.20, 11,387,185.56 and 5,637,628.92

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Solution

The fourth proportional to 8,250,067.20, 11,387,185.56 and 5,637,628.92 is: 7,781,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250,067.20 : 11,387,185.56 = 5,637,628.92 : x
  2. Step 2: Convert to fraction form
    8,250,067.20/11,387,185.56 = 5,637,628.92/x
  3. Step 3: Cross multiply
    8,250,067.20x = 11,387,185.56 × 5,637,628.92
  4. Step 4: Simplify right side
    8,250,067.20x = 64,196,726,630,462.40
  5. Step 5: Solve for x
    x = 64,196,726,630,462.40/8,250,067.20
  6. Step 6: Final answer
    x = 7,781,358.03

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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.