Home / 8,262,003.20-12,393,004.80-5,711,086.40

Finding the Fourth Proportional to 8,262,003.20, 12,393,004.80 and 5,711,086.40

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Solution

The fourth proportional to 8,262,003.20, 12,393,004.80 and 5,711,086.40 is: 8,566,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,003.20 : 12,393,004.80 = 5,711,086.40 : x
  2. Step 2: Convert to fraction form
    8,262,003.20/12,393,004.80 = 5,711,086.40/x
  3. Step 3: Cross multiply
    8,262,003.20x = 12,393,004.80 × 5,711,086.40
  4. Step 4: Simplify right side
    8,262,003.20x = 70,777,521,168,414.73
  5. Step 5: Solve for x
    x = 70,777,521,168,414.73/8,262,003.20
  6. Step 6: Final answer
    x = 8,566,629.60

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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.