Home / 20,675,247.22-28,470,307.44-20,216,452.89

Finding the Fourth Proportional to 20,675,247.22, 28,470,307.44 and 20,216,452.89

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Solution

The fourth proportional to 20,675,247.22, 28,470,307.44 and 20,216,452.89 is: 27,838,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675,247.22 : 28,470,307.44 = 20,216,452.89 : x
  2. Step 2: Convert to fraction form
    20,675,247.22/28,470,307.44 = 20,216,452.89/x
  3. Step 3: Cross multiply
    20,675,247.22x = 28,470,307.44 × 20,216,452.89
  4. Step 4: Simplify right side
    20,675,247.22x = 575,568,629,124,576.50
  5. Step 5: Solve for x
    x = 575,568,629,124,576.50/20,675,247.22
  6. Step 6: Final answer
    x = 27,838,536.73

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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.