Home / 13,491,924.72-18,615,872.76-8,266,037.04

Finding the Fourth Proportional to 13,491,924.72, 18,615,872.76 and 8,266,037.04

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Solution

The fourth proportional to 13,491,924.72, 18,615,872.76 and 8,266,037.04 is: 11,405,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,924.72 : 18,615,872.76 = 8,266,037.04 : x
  2. Step 2: Convert to fraction form
    13,491,924.72/18,615,872.76 = 8,266,037.04/x
  3. Step 3: Cross multiply
    13,491,924.72x = 18,615,872.76 × 8,266,037.04
  4. Step 4: Simplify right side
    13,491,924.72x = 153,879,493,766,087.03
  5. Step 5: Solve for x
    x = 153,879,493,766,087.03/13,491,924.72
  6. Step 6: Final answer
    x = 11,405,303.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.