Home / 20,719,656.52-31,074,183.30-6,143,167.46

Finding the Fourth Proportional to 20,719,656.52, 31,074,183.30 and 6,143,167.46

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Solution

The fourth proportional to 20,719,656.52, 31,074,183.30 and 6,143,167.46 is: 9,213,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,719,656.52 : 31,074,183.30 = 6,143,167.46 : x
  2. Step 2: Convert to fraction form
    20,719,656.52/31,074,183.30 = 6,143,167.46/x
  3. Step 3: Cross multiply
    20,719,656.52x = 31,074,183.30 × 6,143,167.46
  4. Step 4: Simplify right side
    20,719,656.52x = 190,893,911,694,635.41
  5. Step 5: Solve for x
    x = 190,893,911,694,635.41/20,719,656.52
  6. Step 6: Final answer
    x = 9,213,179.36

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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.