Home / 10,531,914.80-15,797,872.20-5,981,205.20

Finding the Fourth Proportional to 10,531,914.80, 15,797,872.20 and 5,981,205.20

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Solution

The fourth proportional to 10,531,914.80, 15,797,872.20 and 5,981,205.20 is: 8,971,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,914.80 : 15,797,872.20 = 5,981,205.20 : x
  2. Step 2: Convert to fraction form
    10,531,914.80/15,797,872.20 = 5,981,205.20/x
  3. Step 3: Cross multiply
    10,531,914.80x = 15,797,872.20 × 5,981,205.20
  4. Step 4: Simplify right side
    10,531,914.80x = 94,490,315,351,575.44
  5. Step 5: Solve for x
    x = 94,490,315,351,575.44/10,531,914.80
  6. Step 6: Final answer
    x = 8,971,807.80

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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.