Home / 20,217,142.52-30,321,242.74-5,837,083.64

Finding the Fourth Proportional to 20,217,142.52, 30,321,242.74 and 5,837,083.64

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Solution

The fourth proportional to 20,217,142.52, 30,321,242.74 and 5,837,083.64 is: 8,754,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217,142.52 : 30,321,242.74 = 5,837,083.64 : x
  2. Step 2: Convert to fraction form
    20,217,142.52/30,321,242.74 = 5,837,083.64/x
  3. Step 3: Cross multiply
    20,217,142.52x = 30,321,242.74 × 5,837,083.64
  4. Step 4: Simplify right side
    20,217,142.52x = 176,987,629,942,122.75
  5. Step 5: Solve for x
    x = 176,987,629,942,122.75/20,217,142.52
  6. Step 6: Final answer
    x = 8,754,334.58

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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.