Home / 8,064,208.20-12,088,439.10-7,213,902.60

Finding the Fourth Proportional to 8,064,208.20, 12,088,439.10 and 7,213,902.60

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Solution

The fourth proportional to 8,064,208.20, 12,088,439.10 and 7,213,902.60 is: 10,813,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,208.20 : 12,088,439.10 = 7,213,902.60 : x
  2. Step 2: Convert to fraction form
    8,064,208.20/12,088,439.10 = 7,213,902.60/x
  3. Step 3: Cross multiply
    8,064,208.20x = 12,088,439.10 × 7,213,902.60
  4. Step 4: Simplify right side
    8,064,208.20x = 87,204,822,253,431.66
  5. Step 5: Solve for x
    x = 87,204,822,253,431.66/8,064,208.20
  6. Step 6: Final answer
    x = 10,813,810.87

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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.