Home / 18,458,139.04-27,632,684.40-13,633,793.44

Finding the Fourth Proportional to 18,458,139.04, 27,632,684.40 and 13,633,793.44

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Solution

The fourth proportional to 18,458,139.04, 27,632,684.40 and 13,633,793.44 is: 20,410,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,139.04 : 27,632,684.40 = 13,633,793.44 : x
  2. Step 2: Convert to fraction form
    18,458,139.04/27,632,684.40 = 13,633,793.44/x
  3. Step 3: Cross multiply
    18,458,139.04x = 27,632,684.40 × 13,633,793.44
  4. Step 4: Simplify right side
    18,458,139.04x = 376,738,311,302,310.31
  5. Step 5: Solve for x
    x = 376,738,311,302,310.31/18,458,139.04
  6. Step 6: Final answer
    x = 20,410,416.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.