Home / 7,415,136.20-11,122,704.30-3,636,000.20

Finding the Fourth Proportional to 7,415,136.20, 11,122,704.30 and 3,636,000.20

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Solution

The fourth proportional to 7,415,136.20, 11,122,704.30 and 3,636,000.20 is: 5,454,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,136.20 : 11,122,704.30 = 3,636,000.20 : x
  2. Step 2: Convert to fraction form
    7,415,136.20/11,122,704.30 = 3,636,000.20/x
  3. Step 3: Cross multiply
    7,415,136.20x = 11,122,704.30 × 3,636,000.20
  4. Step 4: Simplify right side
    7,415,136.20x = 40,442,155,059,340.87
  5. Step 5: Solve for x
    x = 40,442,155,059,340.87/7,415,136.20
  6. Step 6: Final answer
    x = 5,454,000.30

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Similar ratio
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1.5x scale

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.