Home / 20,455,757.88-30,682,889.42-6,078,452.01

Finding the Fourth Proportional to 20,455,757.88, 30,682,889.42 and 6,078,452.01

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Solution

The fourth proportional to 20,455,757.88, 30,682,889.42 and 6,078,452.01 is: 9,117,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,757.88 : 30,682,889.42 = 6,078,452.01 : x
  2. Step 2: Convert to fraction form
    20,455,757.88/30,682,889.42 = 6,078,452.01/x
  3. Step 3: Cross multiply
    20,455,757.88x = 30,682,889.42 × 6,078,452.01
  4. Step 4: Simplify right side
    20,455,757.88x = 186,504,470,837,214.47
  5. Step 5: Solve for x
    x = 186,504,470,837,214.47/20,455,757.88
  6. Step 6: Final answer
    x = 9,117,455.92

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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.