Home / 12,923,788.71-17,837,867.67-8,032,704.75

Finding the Fourth Proportional to 12,923,788.71, 17,837,867.67 and 8,032,704.75

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Solution

The fourth proportional to 12,923,788.71, 17,837,867.67 and 8,032,704.75 is: 11,087,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,788.71 : 17,837,867.67 = 8,032,704.75 : x
  2. Step 2: Convert to fraction form
    12,923,788.71/17,837,867.67 = 8,032,704.75/x
  3. Step 3: Cross multiply
    12,923,788.71x = 17,837,867.67 × 8,032,704.75
  4. Step 4: Simplify right side
    12,923,788.71x = 143,286,324,362,680.44
  5. Step 5: Solve for x
    x = 143,286,324,362,680.44/12,923,788.71
  6. Step 6: Final answer
    x = 11,087,021.58

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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.