Home / 20,650,927.68-30,981,236.40-20,308,181.04

Finding the Fourth Proportional to 20,650,927.68, 30,981,236.40 and 20,308,181.04

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Solution

The fourth proportional to 20,650,927.68, 30,981,236.40 and 20,308,181.04 is: 30,467,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,927.68 : 30,981,236.40 = 20,308,181.04 : x
  2. Step 2: Convert to fraction form
    20,650,927.68/30,981,236.40 = 20,308,181.04/x
  3. Step 3: Cross multiply
    20,650,927.68x = 30,981,236.40 × 20,308,181.04
  4. Step 4: Simplify right side
    20,650,927.68x = 629,172,557,654,237.75
  5. Step 5: Solve for x
    x = 629,172,557,654,237.75/20,650,927.68
  6. Step 6: Final answer
    x = 30,467,036.03

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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.