Home / 8,168,634.60-12,255,576.30-5,476,000.20

Finding the Fourth Proportional to 8,168,634.60, 12,255,576.30 and 5,476,000.20

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Solution

The fourth proportional to 8,168,634.60, 12,255,576.30 and 5,476,000.20 is: 8,215,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,634.60 : 12,255,576.30 = 5,476,000.20 : x
  2. Step 2: Convert to fraction form
    8,168,634.60/12,255,576.30 = 5,476,000.20/x
  3. Step 3: Cross multiply
    8,168,634.60x = 12,255,576.30 × 5,476,000.20
  4. Step 4: Simplify right side
    8,168,634.60x = 67,111,538,269,915.27
  5. Step 5: Solve for x
    x = 67,111,538,269,915.27/8,168,634.60
  6. Step 6: Final answer
    x = 8,215,759.62

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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.