Home / 12,335,529.75-18,504,878.49-5,765,649.85

Finding the Fourth Proportional to 12,335,529.75, 18,504,878.49 and 5,765,649.85

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Solution

The fourth proportional to 12,335,529.75, 18,504,878.49 and 5,765,649.85 is: 8,649,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,529.75 : 18,504,878.49 = 5,765,649.85 : x
  2. Step 2: Convert to fraction form
    12,335,529.75/18,504,878.49 = 5,765,649.85/x
  3. Step 3: Cross multiply
    12,335,529.75x = 18,504,878.49 × 5,765,649.85
  4. Step 4: Simplify right side
    12,335,529.75x = 106,692,649,797,612.31
  5. Step 5: Solve for x
    x = 106,692,649,797,612.31/12,335,529.75
  6. Step 6: Final answer
    x = 8,649,215.07

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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.