Home / 18,458,436.27-25,472,908.58-10,198,689.49

Finding the Fourth Proportional to 18,458,436.27, 25,472,908.58 and 10,198,689.49

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Solution

The fourth proportional to 18,458,436.27, 25,472,908.58 and 10,198,689.49 is: 14,074,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,436.27 : 25,472,908.58 = 10,198,689.49 : x
  2. Step 2: Convert to fraction form
    18,458,436.27/25,472,908.58 = 10,198,689.49/x
  3. Step 3: Cross multiply
    18,458,436.27x = 25,472,908.58 × 10,198,689.49
  4. Step 4: Simplify right side
    18,458,436.27x = 259,790,284,899,901.12
  5. Step 5: Solve for x
    x = 259,790,284,899,901.12/18,458,436.27
  6. Step 6: Final answer
    x = 14,074,338.75

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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.