Home / 12,907,486.20-19,333,235.70-10,667,998.20

Finding the Fourth Proportional to 12,907,486.20, 19,333,235.70 and 10,667,998.20

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Solution

The fourth proportional to 12,907,486.20, 19,333,235.70 and 10,667,998.20 is: 15,978,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,486.20 : 19,333,235.70 = 10,667,998.20 : x
  2. Step 2: Convert to fraction form
    12,907,486.20/19,333,235.70 = 10,667,998.20/x
  3. Step 3: Cross multiply
    12,907,486.20x = 19,333,235.70 × 10,667,998.20
  4. Step 4: Simplify right side
    12,907,486.20x = 206,246,923,647,775.72
  5. Step 5: Solve for x
    x = 206,246,923,647,775.72/12,907,486.20
  6. Step 6: Final answer
    x = 15,978,860.67

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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.