Home / 8,271,467.70-12,407,201.55-4,226,611.20

Finding the Fourth Proportional to 8,271,467.70, 12,407,201.55 and 4,226,611.20

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Solution

The fourth proportional to 8,271,467.70, 12,407,201.55 and 4,226,611.20 is: 6,339,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,467.70 : 12,407,201.55 = 4,226,611.20 : x
  2. Step 2: Convert to fraction form
    8,271,467.70/12,407,201.55 = 4,226,611.20/x
  3. Step 3: Cross multiply
    8,271,467.70x = 12,407,201.55 × 4,226,611.20
  4. Step 4: Simplify right side
    8,271,467.70x = 52,440,417,031,887.37
  5. Step 5: Solve for x
    x = 52,440,417,031,887.37/8,271,467.70
  6. Step 6: Final answer
    x = 6,339,916.80

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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.