Home / 20,224,107.60-30,336,161.40-13,421,662.80

Finding the Fourth Proportional to 20,224,107.60, 30,336,161.40 and 13,421,662.80

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Solution

The fourth proportional to 20,224,107.60, 30,336,161.40 and 13,421,662.80 is: 20,132,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,107.60 : 30,336,161.40 = 13,421,662.80 : x
  2. Step 2: Convert to fraction form
    20,224,107.60/30,336,161.40 = 13,421,662.80/x
  3. Step 3: Cross multiply
    20,224,107.60x = 30,336,161.40 × 13,421,662.80
  4. Step 4: Simplify right side
    20,224,107.60x = 407,161,728,957,175.94
  5. Step 5: Solve for x
    x = 407,161,728,957,175.94/20,224,107.60
  6. Step 6: Final answer
    x = 20,132,494.20

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1.5x scale

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.