Home / 22,121,392.31-30,529,338.56-12,200,215.34

Finding the Fourth Proportional to 22,121,392.31, 30,529,338.56 and 12,200,215.34

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Solution

The fourth proportional to 22,121,392.31, 30,529,338.56 and 12,200,215.34 is: 16,837,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121,392.31 : 30,529,338.56 = 12,200,215.34 : x
  2. Step 2: Convert to fraction form
    22,121,392.31/30,529,338.56 = 12,200,215.34/x
  3. Step 3: Cross multiply
    22,121,392.31x = 30,529,338.56 × 12,200,215.34
  4. Step 4: Simplify right side
    22,121,392.31x = 372,464,504,749,452.56
  5. Step 5: Solve for x
    x = 372,464,504,749,452.56/22,121,392.31
  6. Step 6: Final answer
    x = 16,837,299.37

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1.5x scale

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.