Home / 20,107,304.26-30,172,592.74-8,434,630.33

Finding the Fourth Proportional to 20,107,304.26, 30,172,592.74 and 8,434,630.33

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Solution

The fourth proportional to 20,107,304.26, 30,172,592.74 and 8,434,630.33 is: 12,656,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107,304.26 : 30,172,592.74 = 8,434,630.33 : x
  2. Step 2: Convert to fraction form
    20,107,304.26/30,172,592.74 = 8,434,630.33/x
  3. Step 3: Cross multiply
    20,107,304.26x = 30,172,592.74 × 8,434,630.33
  4. Step 4: Simplify right side
    20,107,304.26x = 254,494,665,865,627.69
  5. Step 5: Solve for x
    x = 254,494,665,865,627.69/20,107,304.26
  6. Step 6: Final answer
    x = 12,656,826.72

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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.