Home / 8,119,723.04-12,179,782.16-2,728,451.60

Finding the Fourth Proportional to 8,119,723.04, 12,179,782.16 and 2,728,451.60

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Solution

The fourth proportional to 8,119,723.04, 12,179,782.16 and 2,728,451.60 is: 4,092,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,723.04 : 12,179,782.16 = 2,728,451.60 : x
  2. Step 2: Convert to fraction form
    8,119,723.04/12,179,782.16 = 2,728,451.60/x
  3. Step 3: Cross multiply
    8,119,723.04x = 12,179,782.16 × 2,728,451.60
  4. Step 4: Simplify right side
    8,119,723.04x = 33,231,946,122,103.46
  5. Step 5: Solve for x
    x = 33,231,946,122,103.46/8,119,723.04
  6. Step 6: Final answer
    x = 4,092,743.80

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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.