Home / 18,148,534.80-25,046,742.96-13,556,884.56

Finding the Fourth Proportional to 18,148,534.80, 25,046,742.96 and 13,556,884.56

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Solution

The fourth proportional to 18,148,534.80, 25,046,742.96 and 13,556,884.56 is: 18,709,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,534.80 : 25,046,742.96 = 13,556,884.56 : x
  2. Step 2: Convert to fraction form
    18,148,534.80/25,046,742.96 = 13,556,884.56/x
  3. Step 3: Cross multiply
    18,148,534.80x = 25,046,742.96 × 13,556,884.56
  4. Step 4: Simplify right side
    18,148,534.80x = 339,555,802,912,712.75
  5. Step 5: Solve for x
    x = 339,555,802,912,712.75/18,148,534.80
  6. Step 6: Final answer
    x = 18,709,819.09

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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.