Home / 31,977,644.13-47,984,749.92-13,532,136.21

Finding the Fourth Proportional to 31,977,644.13, 47,984,749.92 and 13,532,136.21

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Solution

The fourth proportional to 31,977,644.13, 47,984,749.92 and 13,532,136.21 is: 20,305,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977,644.13 : 47,984,749.92 = 13,532,136.21 : x
  2. Step 2: Convert to fraction form
    31,977,644.13/47,984,749.92 = 13,532,136.21/x
  3. Step 3: Cross multiply
    31,977,644.13x = 47,984,749.92 × 13,532,136.21
  4. Step 4: Simplify right side
    31,977,644.13x = 649,336,171,920,226.62
  5. Step 5: Solve for x
    x = 649,336,171,920,226.62/31,977,644.13
  6. Step 6: Final answer
    x = 20,305,941.53

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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.