Home / 18,409,217.88-25,399,091.16-10,672,716.36

Finding the Fourth Proportional to 18,409,217.88, 25,399,091.16 and 10,672,716.36

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Solution

The fourth proportional to 18,409,217.88, 25,399,091.16 and 10,672,716.36 is: 14,725,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,217.88 : 25,399,091.16 = 10,672,716.36 : x
  2. Step 2: Convert to fraction form
    18,409,217.88/25,399,091.16 = 10,672,716.36/x
  3. Step 3: Cross multiply
    18,409,217.88x = 25,399,091.16 × 10,672,716.36
  4. Step 4: Simplify right side
    18,409,217.88x = 271,077,295,752,463.38
  5. Step 5: Solve for x
    x = 271,077,295,752,463.38/18,409,217.88
  6. Step 6: Final answer
    x = 14,725,084.87

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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.