Home / 21,557,514.80-32,359,891.80-13,479,611.60

Finding the Fourth Proportional to 21,557,514.80, 32,359,891.80 and 13,479,611.60

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Solution

The fourth proportional to 21,557,514.80, 32,359,891.80 and 13,479,611.60 is: 20,234,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,514.80 : 32,359,891.80 = 13,479,611.60 : x
  2. Step 2: Convert to fraction form
    21,557,514.80/32,359,891.80 = 13,479,611.60/x
  3. Step 3: Cross multiply
    21,557,514.80x = 32,359,891.80 × 13,479,611.60
  4. Step 4: Simplify right side
    21,557,514.80x = 436,198,772,882,024.88
  5. Step 5: Solve for x
    x = 436,198,772,882,024.88/21,557,514.80
  6. Step 6: Final answer
    x = 20,234,186.40

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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.