Home / 38,611,922.80-57,916,998.60-19,437,530.80

Finding the Fourth Proportional to 38,611,922.80, 57,916,998.60 and 19,437,530.80

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Solution

The fourth proportional to 38,611,922.80, 57,916,998.60 and 19,437,530.80 is: 29,155,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,611,922.80 : 57,916,998.60 = 19,437,530.80 : x
  2. Step 2: Convert to fraction form
    38,611,922.80/57,916,998.60 = 19,437,530.80/x
  3. Step 3: Cross multiply
    38,611,922.80x = 57,916,998.60 × 19,437,530.80
  4. Step 4: Simplify right side
    38,611,922.80x = 1,125,763,444,131,057
  5. Step 5: Solve for x
    x = 1,125,763,444,131,057/38,611,922.80
  6. Step 6: Final answer
    x = 29,155,850.38

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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.