Home / 27,608,083.93-38,135,544.67-20,626,627.72

Finding the Fourth Proportional to 27,608,083.93, 38,135,544.67 and 20,626,627.72

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Solution

The fourth proportional to 27,608,083.93, 38,135,544.67 and 20,626,627.72 is: 28,491,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608,083.93 : 38,135,544.67 = 20,626,627.72 : x
  2. Step 2: Convert to fraction form
    27,608,083.93/38,135,544.67 = 20,626,627.72/x
  3. Step 3: Cross multiply
    27,608,083.93x = 38,135,544.67 × 20,626,627.72
  4. Step 4: Simplify right side
    27,608,083.93x = 786,607,682,807,520.25
  5. Step 5: Solve for x
    x = 786,607,682,807,520.25/27,608,083.93
  6. Step 6: Final answer
    x = 28,491,933.19

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Double scale
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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.