Home / 20,536,951.76-28,339,915.66-11,242,740.04

Finding the Fourth Proportional to 20,536,951.76, 28,339,915.66 and 11,242,740.04

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Solution

The fourth proportional to 20,536,951.76, 28,339,915.66 and 11,242,740.04 is: 15,514,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,951.76 : 28,339,915.66 = 11,242,740.04 : x
  2. Step 2: Convert to fraction form
    20,536,951.76/28,339,915.66 = 11,242,740.04/x
  3. Step 3: Cross multiply
    20,536,951.76x = 28,339,915.66 × 11,242,740.04
  4. Step 4: Simplify right side
    20,536,951.76x = 318,618,304,520,905
  5. Step 5: Solve for x
    x = 318,618,304,520,905/20,536,951.76
  6. Step 6: Final answer
    x = 15,514,391.24

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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.