Home / 18,148,528.80-25,046,734.68-13,556,878.56

Finding the Fourth Proportional to 18,148,528.80, 25,046,734.68 and 13,556,878.56

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Solution

The fourth proportional to 18,148,528.80, 25,046,734.68 and 13,556,878.56 is: 18,709,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,528.80 : 25,046,734.68 = 13,556,878.56 : x
  2. Step 2: Convert to fraction form
    18,148,528.80/25,046,734.68 = 13,556,878.56/x
  3. Step 3: Cross multiply
    18,148,528.80x = 25,046,734.68 × 13,556,878.56
  4. Step 4: Simplify right side
    18,148,528.80x = 339,555,540,381,300.50
  5. Step 5: Solve for x
    x = 339,555,540,381,300.50/18,148,528.80
  6. Step 6: Final answer
    x = 18,709,810.81

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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.