Home / 18,148,540.80-25,046,751.24-13,556,890.56

Finding the Fourth Proportional to 18,148,540.80, 25,046,751.24 and 13,556,890.56

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Solution

The fourth proportional to 18,148,540.80, 25,046,751.24 and 13,556,890.56 is: 18,709,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,540.80 : 25,046,751.24 = 13,556,890.56 : x
  2. Step 2: Convert to fraction form
    18,148,540.80/25,046,751.24 = 13,556,890.56/x
  3. Step 3: Cross multiply
    18,148,540.80x = 25,046,751.24 × 13,556,890.56
  4. Step 4: Simplify right side
    18,148,540.80x = 339,556,065,444,224.31
  5. Step 5: Solve for x
    x = 339,556,065,444,224.31/18,148,540.80
  6. Step 6: Final answer
    x = 18,709,827.37

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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.