Home / 7,147,540.80-10,721,311.20-5,020,027.20

Finding the Fourth Proportional to 7,147,540.80, 10,721,311.20 and 5,020,027.20

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Solution

The fourth proportional to 7,147,540.80, 10,721,311.20 and 5,020,027.20 is: 7,530,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,540.80 : 10,721,311.20 = 5,020,027.20 : x
  2. Step 2: Convert to fraction form
    7,147,540.80/10,721,311.20 = 5,020,027.20/x
  3. Step 3: Cross multiply
    7,147,540.80x = 10,721,311.20 × 5,020,027.20
  4. Step 4: Simplify right side
    7,147,540.80x = 53,821,273,843,664.64
  5. Step 5: Solve for x
    x = 53,821,273,843,664.64/7,147,540.80
  6. Step 6: Final answer
    x = 7,530,040.80

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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.