Home / 8,078,131.95-11,147,858.24-4,407,037.39

Finding the Fourth Proportional to 8,078,131.95, 11,147,858.24 and 4,407,037.39

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Solution

The fourth proportional to 8,078,131.95, 11,147,858.24 and 4,407,037.39 is: 6,081,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,131.95 : 11,147,858.24 = 4,407,037.39 : x
  2. Step 2: Convert to fraction form
    8,078,131.95/11,147,858.24 = 4,407,037.39/x
  3. Step 3: Cross multiply
    8,078,131.95x = 11,147,858.24 × 4,407,037.39
  4. Step 4: Simplify right side
    8,078,131.95x = 49,129,028,082,099.59
  5. Step 5: Solve for x
    x = 49,129,028,082,099.59/8,078,131.95
  6. Step 6: Final answer
    x = 6,081,731.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.