Home / 11,540,620.80-17,312,486.40-3,969,907.20

Finding the Fourth Proportional to 11,540,620.80, 17,312,486.40 and 3,969,907.20

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Solution

The fourth proportional to 11,540,620.80, 17,312,486.40 and 3,969,907.20 is: 5,955,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540,620.80 : 17,312,486.40 = 3,969,907.20 : x
  2. Step 2: Convert to fraction form
    11,540,620.80/17,312,486.40 = 3,969,907.20/x
  3. Step 3: Cross multiply
    11,540,620.80x = 17,312,486.40 × 3,969,907.20
  4. Step 4: Simplify right side
    11,540,620.80x = 68,728,964,409,262.08
  5. Step 5: Solve for x
    x = 68,728,964,409,262.08/11,540,620.80
  6. Step 6: Final answer
    x = 5,955,395.78

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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.