Home / 21,504,560.80-32,256,841.20-16,129,789.60

Finding the Fourth Proportional to 21,504,560.80, 32,256,841.20 and 16,129,789.60

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Solution

The fourth proportional to 21,504,560.80, 32,256,841.20 and 16,129,789.60 is: 24,194,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,560.80 : 32,256,841.20 = 16,129,789.60 : x
  2. Step 2: Convert to fraction form
    21,504,560.80/32,256,841.20 = 16,129,789.60/x
  3. Step 3: Cross multiply
    21,504,560.80x = 32,256,841.20 × 16,129,789.60
  4. Step 4: Simplify right side
    21,504,560.80x = 520,296,061,716,611.50
  5. Step 5: Solve for x
    x = 520,296,061,716,611.50/21,504,560.80
  6. Step 6: Final answer
    x = 24,194,684.40

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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.