Home / 18,590,538.78-25,647,452.08-11,235,602.86

Finding the Fourth Proportional to 18,590,538.78, 25,647,452.08 and 11,235,602.86

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Solution

The fourth proportional to 18,590,538.78, 25,647,452.08 and 11,235,602.86 is: 15,500,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,538.78 : 25,647,452.08 = 11,235,602.86 : x
  2. Step 2: Convert to fraction form
    18,590,538.78/25,647,452.08 = 11,235,602.86/x
  3. Step 3: Cross multiply
    18,590,538.78x = 25,647,452.08 × 11,235,602.86
  4. Step 4: Simplify right side
    18,590,538.78x = 288,164,585,849,553.31
  5. Step 5: Solve for x
    x = 288,164,585,849,553.31/18,590,538.78
  6. Step 6: Final answer
    x = 15,500,604.33

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1.5x scale

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.