Home / 15,289,858.35-21,100,008-8,414,340.42

Finding the Fourth Proportional to 15,289,858.35, 21,100,008 and 8,414,340.42

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Solution

The fourth proportional to 15,289,858.35, 21,100,008 and 8,414,340.42 is: 11,611,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,858.35 : 21,100,008 = 8,414,340.42 : x
  2. Step 2: Convert to fraction form
    15,289,858.35/21,100,008 = 8,414,340.42/x
  3. Step 3: Cross multiply
    15,289,858.35x = 21,100,008 × 8,414,340.42
  4. Step 4: Simplify right side
    15,289,858.35x = 177,542,650,176,723.34
  5. Step 5: Solve for x
    x = 177,542,650,176,723.34/15,289,858.35
  6. Step 6: Final answer
    x = 11,611,791.69

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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.