Home / 13,284,171.72-19,933,834.86-5,197,805.64

Finding the Fourth Proportional to 13,284,171.72, 19,933,834.86 and 5,197,805.64

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Solution

The fourth proportional to 13,284,171.72, 19,933,834.86 and 5,197,805.64 is: 7,799,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,171.72 : 19,933,834.86 = 5,197,805.64 : x
  2. Step 2: Convert to fraction form
    13,284,171.72/19,933,834.86 = 5,197,805.64/x
  3. Step 3: Cross multiply
    13,284,171.72x = 19,933,834.86 × 5,197,805.64
  4. Step 4: Simplify right side
    13,284,171.72x = 103,612,199,262,136.59
  5. Step 5: Solve for x
    x = 103,612,199,262,136.59/13,284,171.72
  6. Step 6: Final answer
    x = 7,799,673.28

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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.