Home / 8,272,778.36-12,394,786.64-5,805,561.84

Finding the Fourth Proportional to 8,272,778.36, 12,394,786.64 and 5,805,561.84

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Solution

The fourth proportional to 8,272,778.36, 12,394,786.64 and 5,805,561.84 is: 8,698,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,778.36 : 12,394,786.64 = 5,805,561.84 : x
  2. Step 2: Convert to fraction form
    8,272,778.36/12,394,786.64 = 5,805,561.84/x
  3. Step 3: Cross multiply
    8,272,778.36x = 12,394,786.64 × 5,805,561.84
  4. Step 4: Simplify right side
    8,272,778.36x = 71,958,700,332,125.81
  5. Step 5: Solve for x
    x = 71,958,700,332,125.81/8,272,778.36
  6. Step 6: Final answer
    x = 8,698,250.72

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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.