Home / 8,960,002.20-13,440,003.30-8,180,555.40

Finding the Fourth Proportional to 8,960,002.20, 13,440,003.30 and 8,180,555.40

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Solution

The fourth proportional to 8,960,002.20, 13,440,003.30 and 8,180,555.40 is: 12,270,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960,002.20 : 13,440,003.30 = 8,180,555.40 : x
  2. Step 2: Convert to fraction form
    8,960,002.20/13,440,003.30 = 8,180,555.40/x
  3. Step 3: Cross multiply
    8,960,002.20x = 13,440,003.30 × 8,180,555.40
  4. Step 4: Simplify right side
    8,960,002.20x = 109,946,691,571,832.83
  5. Step 5: Solve for x
    x = 109,946,691,571,832.83/8,960,002.20
  6. Step 6: Final answer
    x = 12,270,833.10

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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.