Home / 8,140,015.70-12,210,023.55-3,351,141.80

Finding the Fourth Proportional to 8,140,015.70, 12,210,023.55 and 3,351,141.80

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Solution

The fourth proportional to 8,140,015.70, 12,210,023.55 and 3,351,141.80 is: 5,026,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,015.70 : 12,210,023.55 = 3,351,141.80 : x
  2. Step 2: Convert to fraction form
    8,140,015.70/12,210,023.55 = 3,351,141.80/x
  3. Step 3: Cross multiply
    8,140,015.70x = 12,210,023.55 × 3,351,141.80
  4. Step 4: Simplify right side
    8,140,015.70x = 40,917,520,297,389.39
  5. Step 5: Solve for x
    x = 40,917,520,297,389.39/8,140,015.70
  6. Step 6: Final answer
    x = 5,026,712.70

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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.