Home / 38,682,850.78-58,011,965.83-12,770,327.37

Finding the Fourth Proportional to 38,682,850.78, 58,011,965.83 and 12,770,327.37

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Solution

The fourth proportional to 38,682,850.78, 58,011,965.83 and 12,770,327.37 is: 19,151,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682,850.78 : 58,011,965.83 = 12,770,327.37 : x
  2. Step 2: Convert to fraction form
    38,682,850.78/58,011,965.83 = 12,770,327.37/x
  3. Step 3: Cross multiply
    38,682,850.78x = 58,011,965.83 × 12,770,327.37
  4. Step 4: Simplify right side
    38,682,850.78x = 740,831,794,918,500.12
  5. Step 5: Solve for x
    x = 740,831,794,918,500.12/38,682,850.78
  6. Step 6: Final answer
    x = 19,151,427.05

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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.