Home / 8,221,971.40-12,332,957.10-8,096,000.20

Finding the Fourth Proportional to 8,221,971.40, 12,332,957.10 and 8,096,000.20

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Solution

The fourth proportional to 8,221,971.40, 12,332,957.10 and 8,096,000.20 is: 12,144,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,971.40 : 12,332,957.10 = 8,096,000.20 : x
  2. Step 2: Convert to fraction form
    8,221,971.40/12,332,957.10 = 8,096,000.20/x
  3. Step 3: Cross multiply
    8,221,971.40x = 12,332,957.10 × 8,096,000.20
  4. Step 4: Simplify right side
    8,221,971.40x = 99,847,623,148,191.42
  5. Step 5: Solve for x
    x = 99,847,623,148,191.42/8,221,971.40
  6. Step 6: Final answer
    x = 12,144,000.30

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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.