Home / 12,082,987.58-18,126,180.25-3,882,880.65

Finding the Fourth Proportional to 12,082,987.58, 18,126,180.25 and 3,882,880.65

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Solution

The fourth proportional to 12,082,987.58, 18,126,180.25 and 3,882,880.65 is: 5,824,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,987.58 : 18,126,180.25 = 3,882,880.65 : x
  2. Step 2: Convert to fraction form
    12,082,987.58/18,126,180.25 = 3,882,880.65/x
  3. Step 3: Cross multiply
    12,082,987.58x = 18,126,180.25 × 3,882,880.65
  4. Step 4: Simplify right side
    12,082,987.58x = 70,381,794,541,429.95
  5. Step 5: Solve for x
    x = 70,381,794,541,429.95/12,082,987.58
  6. Step 6: Final answer
    x = 5,824,866.91

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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.