Home / 18,193,190.62-25,108,804.68-10,354,608.78

Finding the Fourth Proportional to 18,193,190.62, 25,108,804.68 and 10,354,608.78

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Solution

The fourth proportional to 18,193,190.62, 25,108,804.68 and 10,354,608.78 is: 14,290,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,190.62 : 25,108,804.68 = 10,354,608.78 : x
  2. Step 2: Convert to fraction form
    18,193,190.62/25,108,804.68 = 10,354,608.78/x
  3. Step 3: Cross multiply
    18,193,190.62x = 25,108,804.68 × 10,354,608.78
  4. Step 4: Simplify right side
    18,193,190.62x = 259,991,849,217,516.03
  5. Step 5: Solve for x
    x = 259,991,849,217,516.03/18,193,190.62
  6. Step 6: Final answer
    x = 14,290,613.16

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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.