Home / 8,088,112.20-12,132,168.30-6,281,212.80

Finding the Fourth Proportional to 8,088,112.20, 12,132,168.30 and 6,281,212.80

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Solution

The fourth proportional to 8,088,112.20, 12,132,168.30 and 6,281,212.80 is: 9,421,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088,112.20 : 12,132,168.30 = 6,281,212.80 : x
  2. Step 2: Convert to fraction form
    8,088,112.20/12,132,168.30 = 6,281,212.80/x
  3. Step 3: Cross multiply
    8,088,112.20x = 12,132,168.30 × 6,281,212.80
  4. Step 4: Simplify right side
    8,088,112.20x = 76,204,730,817,714.25
  5. Step 5: Solve for x
    x = 76,204,730,817,714.25/8,088,112.20
  6. Step 6: Final answer
    x = 9,421,819.20

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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.