Home / 12,222,804,213.12-18,315,493,360.66-8,224,077,115.92

Finding the Fourth Proportional to 12,222,804,213.12, 18,315,493,360.66 and 8,224,077,115.92

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Solution

The fourth proportional to 12,222,804,213.12, 18,315,493,360.66 and 8,224,077,115.92 is: 12,323,524,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,804,213.12 : 18,315,493,360.66 = 8,224,077,115.92 : x
  2. Step 2: Convert to fraction form
    12,222,804,213.12/18,315,493,360.66 = 8,224,077,115.92/x
  3. Step 3: Cross multiply
    12,222,804,213.12x = 18,315,493,360.66 × 8,224,077,115.92
  4. Step 4: Simplify right side
    12,222,804,213.12x = 150,628,029,814,188,605,440
  5. Step 5: Solve for x
    x = 150,628,029,814,188,605,440/12,222,804,213.12
  6. Step 6: Final answer
    x = 12,323,524,715.59

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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.