Home / 20,185,238.60-30,284,856.30-8,833,833.80

Finding the Fourth Proportional to 20,185,238.60, 30,284,856.30 and 8,833,833.80

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Solution

The fourth proportional to 20,185,238.60, 30,284,856.30 and 8,833,833.80 is: 13,253,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,238.60 : 30,284,856.30 = 8,833,833.80 : x
  2. Step 2: Convert to fraction form
    20,185,238.60/30,284,856.30 = 8,833,833.80/x
  3. Step 3: Cross multiply
    20,185,238.60x = 30,284,856.30 × 8,833,833.80
  4. Step 4: Simplify right side
    20,185,238.60x = 267,531,387,211,082.97
  5. Step 5: Solve for x
    x = 267,531,387,211,082.97/20,185,238.60
  6. Step 6: Final answer
    x = 13,253,813.47

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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.