Home / 20,527,367.29-28,326,614.29-11,234,918.43

Finding the Fourth Proportional to 20,527,367.29, 28,326,614.29 and 11,234,918.43

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Solution

The fourth proportional to 20,527,367.29, 28,326,614.29 and 11,234,918.43 is: 15,503,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,367.29 : 28,326,614.29 = 11,234,918.43 : x
  2. Step 2: Convert to fraction form
    20,527,367.29/28,326,614.29 = 11,234,918.43/x
  3. Step 3: Cross multiply
    20,527,367.29x = 28,326,614.29 × 11,234,918.43
  4. Step 4: Simplify right side
    20,527,367.29x = 318,247,200,946,222.38
  5. Step 5: Solve for x
    x = 318,247,200,946,222.38/20,527,367.29
  6. Step 6: Final answer
    x = 15,503,556.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.