Home / 20,284,715.88-30,427,407.32-5,711,985.90

Finding the Fourth Proportional to 20,284,715.88, 30,427,407.32 and 5,711,985.90

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Solution

The fourth proportional to 20,284,715.88, 30,427,407.32 and 5,711,985.90 is: 8,568,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,715.88 : 30,427,407.32 = 5,711,985.90 : x
  2. Step 2: Convert to fraction form
    20,284,715.88/30,427,407.32 = 5,711,985.90/x
  3. Step 3: Cross multiply
    20,284,715.88x = 30,427,407.32 × 5,711,985.90
  4. Step 4: Simplify right side
    20,284,715.88x = 173,800,921,556,836.88
  5. Step 5: Solve for x
    x = 173,800,921,556,836.88/20,284,715.88
  6. Step 6: Final answer
    x = 8,568,072.76

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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.