Home / 18,835,709.63-25,986,716.19-11,867,009.63

Finding the Fourth Proportional to 18,835,709.63, 25,986,716.19 and 11,867,009.63

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Solution

The fourth proportional to 18,835,709.63, 25,986,716.19 and 11,867,009.63 is: 16,372,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835,709.63 : 25,986,716.19 = 11,867,009.63 : x
  2. Step 2: Convert to fraction form
    18,835,709.63/25,986,716.19 = 11,867,009.63/x
  3. Step 3: Cross multiply
    18,835,709.63x = 25,986,716.19 × 11,867,009.63
  4. Step 4: Simplify right side
    18,835,709.63x = 308,384,611,148,873.38
  5. Step 5: Solve for x
    x = 308,384,611,148,873.38/18,835,709.63
  6. Step 6: Final answer
    x = 16,372,338.36

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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.