Home / 20,455,758.88-30,682,890.91-6,078,453.01

Finding the Fourth Proportional to 20,455,758.88, 30,682,890.91 and 6,078,453.01

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Solution

The fourth proportional to 20,455,758.88, 30,682,890.91 and 6,078,453.01 is: 9,117,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,758.88 : 30,682,890.91 = 6,078,453.01 : x
  2. Step 2: Convert to fraction form
    20,455,758.88/30,682,890.91 = 6,078,453.01/x
  3. Step 3: Cross multiply
    20,455,758.88x = 30,682,890.91 × 6,078,453.01
  4. Step 4: Simplify right side
    20,455,758.88x = 186,504,510,607,391.12
  5. Step 5: Solve for x
    x = 186,504,510,607,391.12/20,455,758.88
  6. Step 6: Final answer
    x = 9,117,457.42

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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.