Home / 8,764,739.20-13,149,067.20-3,085,148.80

Finding the Fourth Proportional to 8,764,739.20, 13,149,067.20 and 3,085,148.80

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Solution

The fourth proportional to 8,764,739.20, 13,149,067.20 and 3,085,148.80 is: 4,628,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,739.20 : 13,149,067.20 = 3,085,148.80 : x
  2. Step 2: Convert to fraction form
    8,764,739.20/13,149,067.20 = 3,085,148.80/x
  3. Step 3: Cross multiply
    8,764,739.20x = 13,149,067.20 × 3,085,148.80
  4. Step 4: Simplify right side
    8,764,739.20x = 40,566,828,893,199.35
  5. Step 5: Solve for x
    x = 40,566,828,893,199.35/8,764,739.20
  6. Step 6: Final answer
    x = 4,628,412.55

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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.