Home / 5,589,130.80-8,383,696.20-5,431,666.80

Finding the Fourth Proportional to 5,589,130.80, 8,383,696.20 and 5,431,666.80

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Solution

The fourth proportional to 5,589,130.80, 8,383,696.20 and 5,431,666.80 is: 8,147,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589,130.80 : 8,383,696.20 = 5,431,666.80 : x
  2. Step 2: Convert to fraction form
    5,589,130.80/8,383,696.20 = 5,431,666.80/x
  3. Step 3: Cross multiply
    5,589,130.80x = 8,383,696.20 × 5,431,666.80
  4. Step 4: Simplify right side
    5,589,130.80x = 45,537,444,310,826.16
  5. Step 5: Solve for x
    x = 45,537,444,310,826.16/5,589,130.80
  6. Step 6: Final answer
    x = 8,147,500.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.