Home / 13,439,584.88-20,153,772.10-4,215,180.76

Finding the Fourth Proportional to 13,439,584.88, 20,153,772.10 and 4,215,180.76

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Solution

The fourth proportional to 13,439,584.88, 20,153,772.10 and 4,215,180.76 is: 6,321,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,584.88 : 20,153,772.10 = 4,215,180.76 : x
  2. Step 2: Convert to fraction form
    13,439,584.88/20,153,772.10 = 4,215,180.76/x
  3. Step 3: Cross multiply
    13,439,584.88x = 20,153,772.10 × 4,215,180.76
  4. Step 4: Simplify right side
    13,439,584.88x = 84,951,792,397,344.80
  5. Step 5: Solve for x
    x = 84,951,792,397,344.80/13,439,584.88
  6. Step 6: Final answer
    x = 6,321,013.12

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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.