Home / 13,747,806.89-20,621,707.25-3,512,685.84

Finding the Fourth Proportional to 13,747,806.89, 20,621,707.25 and 3,512,685.84

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Solution

The fourth proportional to 13,747,806.89, 20,621,707.25 and 3,512,685.84 is: 5,269,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,806.89 : 20,621,707.25 = 3,512,685.84 : x
  2. Step 2: Convert to fraction form
    13,747,806.89/20,621,707.25 = 3,512,685.84/x
  3. Step 3: Cross multiply
    13,747,806.89x = 20,621,707.25 × 3,512,685.84
  4. Step 4: Simplify right side
    13,747,806.89x = 72,437,579,036,136.91
  5. Step 5: Solve for x
    x = 72,437,579,036,136.91/13,747,806.89
  6. Step 6: Final answer
    x = 5,269,027.97

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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.