Home / 13,475,136.60-20,212,704.90-3,890,827.80

Finding the Fourth Proportional to 13,475,136.60, 20,212,704.90 and 3,890,827.80

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Solution

The fourth proportional to 13,475,136.60, 20,212,704.90 and 3,890,827.80 is: 5,836,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,136.60 : 20,212,704.90 = 3,890,827.80 : x
  2. Step 2: Convert to fraction form
    13,475,136.60/20,212,704.90 = 3,890,827.80/x
  3. Step 3: Cross multiply
    13,475,136.60x = 20,212,704.90 × 3,890,827.80
  4. Step 4: Simplify right side
    13,475,136.60x = 78,644,154,138,116.20
  5. Step 5: Solve for x
    x = 78,644,154,138,116.20/13,475,136.60
  6. Step 6: Final answer
    x = 5,836,241.70

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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.