Home / 11,420,869.44-17,131,261.56-2,784,870.72

Finding the Fourth Proportional to 11,420,869.44, 17,131,261.56 and 2,784,870.72

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Solution

The fourth proportional to 11,420,869.44, 17,131,261.56 and 2,784,870.72 is: 4,177,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420,869.44 : 17,131,261.56 = 2,784,870.72 : x
  2. Step 2: Convert to fraction form
    11,420,869.44/17,131,261.56 = 2,784,870.72/x
  3. Step 3: Cross multiply
    11,420,869.44x = 17,131,261.56 × 2,784,870.72
  4. Step 4: Simplify right side
    11,420,869.44x = 47,708,348,715,105.52
  5. Step 5: Solve for x
    x = 47,708,348,715,105.52/11,420,869.44
  6. Step 6: Final answer
    x = 4,177,295.69

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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.