Home / 15,568,479.23-21,484,372.97-8,504,078.27

Finding the Fourth Proportional to 15,568,479.23, 21,484,372.97 and 8,504,078.27

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Solution

The fourth proportional to 15,568,479.23, 21,484,372.97 and 8,504,078.27 is: 11,735,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568,479.23 : 21,484,372.97 = 8,504,078.27 : x
  2. Step 2: Convert to fraction form
    15,568,479.23/21,484,372.97 = 8,504,078.27/x
  3. Step 3: Cross multiply
    15,568,479.23x = 21,484,372.97 × 8,504,078.27
  4. Step 4: Simplify right side
    15,568,479.23x = 182,704,789,168,810.12
  5. Step 5: Solve for x
    x = 182,704,789,168,810.12/15,568,479.23
  6. Step 6: Final answer
    x = 11,735,557.89

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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.