Home / 8,068,015.80-12,102,023.70-4,279,548.60

Finding the Fourth Proportional to 8,068,015.80, 12,102,023.70 and 4,279,548.60

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Solution

The fourth proportional to 8,068,015.80, 12,102,023.70 and 4,279,548.60 is: 6,419,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,015.80 : 12,102,023.70 = 4,279,548.60 : x
  2. Step 2: Convert to fraction form
    8,068,015.80/12,102,023.70 = 4,279,548.60/x
  3. Step 3: Cross multiply
    8,068,015.80x = 12,102,023.70 × 4,279,548.60
  4. Step 4: Simplify right side
    8,068,015.80x = 51,791,198,582,501.81
  5. Step 5: Solve for x
    x = 51,791,198,582,501.81/8,068,015.80
  6. Step 6: Final answer
    x = 6,419,322.90

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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.