Home / 9,786,926-13,507,016.76-5,921,578.16

Finding the Fourth Proportional to 9,786,926, 13,507,016.76 and 5,921,578.16

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Solution

The fourth proportional to 9,786,926, 13,507,016.76 and 5,921,578.16 is: 8,172,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,926 : 13,507,016.76 = 5,921,578.16 : x
  2. Step 2: Convert to fraction form
    9,786,926/13,507,016.76 = 5,921,578.16/x
  3. Step 3: Cross multiply
    9,786,926x = 13,507,016.76 × 5,921,578.16
  4. Step 4: Simplify right side
    9,786,926x = 79,982,855,452,769.97
  5. Step 5: Solve for x
    x = 79,982,855,452,769.97/9,786,926
  6. Step 6: Final answer
    x = 8,172,418.54

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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.