Home / 8,308,923.20-12,462,218.40-2,629,721.60

Finding the Fourth Proportional to 8,308,923.20, 12,462,218.40 and 2,629,721.60

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Solution

The fourth proportional to 8,308,923.20, 12,462,218.40 and 2,629,721.60 is: 3,944,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,923.20 : 12,462,218.40 = 2,629,721.60 : x
  2. Step 2: Convert to fraction form
    8,308,923.20/12,462,218.40 = 2,629,721.60/x
  3. Step 3: Cross multiply
    8,308,923.20x = 12,462,218.40 × 2,629,721.60
  4. Step 4: Simplify right side
    8,308,923.20x = 32,772,164,910,397.44
  5. Step 5: Solve for x
    x = 32,772,164,910,397.44/8,308,923.20
  6. Step 6: Final answer
    x = 3,944,213.24

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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.