Home / 8,220,042.40-12,330,063.60-2,236,410.40

Finding the Fourth Proportional to 8,220,042.40, 12,330,063.60 and 2,236,410.40

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Solution

The fourth proportional to 8,220,042.40, 12,330,063.60 and 2,236,410.40 is: 3,354,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,042.40 : 12,330,063.60 = 2,236,410.40 : x
  2. Step 2: Convert to fraction form
    8,220,042.40/12,330,063.60 = 2,236,410.40/x
  3. Step 3: Cross multiply
    8,220,042.40x = 12,330,063.60 × 2,236,410.40
  4. Step 4: Simplify right side
    8,220,042.40x = 27,575,082,467,701.44
  5. Step 5: Solve for x
    x = 27,575,082,467,701.44/8,220,042.40
  6. Step 6: Final answer
    x = 3,354,615.60

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Double scale
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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.