Home / 8,256,136.60-12,384,204.90-2,191,804.30

Finding the Fourth Proportional to 8,256,136.60, 12,384,204.90 and 2,191,804.30

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Solution

The fourth proportional to 8,256,136.60, 12,384,204.90 and 2,191,804.30 is: 3,287,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,136.60 : 12,384,204.90 = 2,191,804.30 : x
  2. Step 2: Convert to fraction form
    8,256,136.60/12,384,204.90 = 2,191,804.30/x
  3. Step 3: Cross multiply
    8,256,136.60x = 12,384,204.90 × 2,191,804.30
  4. Step 4: Simplify right side
    8,256,136.60x = 27,143,753,551,901.07
  5. Step 5: Solve for x
    x = 27,143,753,551,901.07/8,256,136.60
  6. Step 6: Final answer
    x = 3,287,706.45

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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.