Home / 12,028,612.70-18,042,919.05-5,960,999.90

Finding the Fourth Proportional to 12,028,612.70, 18,042,919.05 and 5,960,999.90

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Solution

The fourth proportional to 12,028,612.70, 18,042,919.05 and 5,960,999.90 is: 8,941,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,612.70 : 18,042,919.05 = 5,960,999.90 : x
  2. Step 2: Convert to fraction form
    12,028,612.70/18,042,919.05 = 5,960,999.90/x
  3. Step 3: Cross multiply
    12,028,612.70x = 18,042,919.05 × 5,960,999.90
  4. Step 4: Simplify right side
    12,028,612.70x = 107,553,838,652,758.11
  5. Step 5: Solve for x
    x = 107,553,838,652,758.11/12,028,612.70
  6. Step 6: Final answer
    x = 8,941,499.85

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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.