Home / 13,492,500-20,238,571.35-3,257,304.63

Finding the Fourth Proportional to 13,492,500, 20,238,571.35 and 3,257,304.63

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Solution

The fourth proportional to 13,492,500, 20,238,571.35 and 3,257,304.63 is: 4,885,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,500 : 20,238,571.35 = 3,257,304.63 : x
  2. Step 2: Convert to fraction form
    13,492,500/20,238,571.35 = 3,257,304.63/x
  3. Step 3: Cross multiply
    13,492,500x = 20,238,571.35 × 3,257,304.63
  4. Step 4: Simplify right side
    13,492,500x = 65,923,192,162,940.35
  5. Step 5: Solve for x
    x = 65,923,192,162,940.35/13,492,500
  6. Step 6: Final answer
    x = 4,885,913.82

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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.