Home / 36,442,520.36-50,288,281.62-20,970,107.72

Finding the Fourth Proportional to 36,442,520.36, 50,288,281.62 and 20,970,107.72

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Solution

The fourth proportional to 36,442,520.36, 50,288,281.62 and 20,970,107.72 is: 28,937,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,442,520.36 : 50,288,281.62 = 20,970,107.72 : x
  2. Step 2: Convert to fraction form
    36,442,520.36/50,288,281.62 = 20,970,107.72/x
  3. Step 3: Cross multiply
    36,442,520.36x = 50,288,281.62 × 20,970,107.72
  4. Step 4: Simplify right side
    36,442,520.36x = 1,054,550,682,625,096
  5. Step 5: Solve for x
    x = 1,054,550,682,625,096/36,442,520.36
  6. Step 6: Final answer
    x = 28,937,369.65

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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.