Home / 38,770,693.83-53,503,557.78-21,367,039.32

Finding the Fourth Proportional to 38,770,693.83, 53,503,557.78 and 21,367,039.32

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Solution

The fourth proportional to 38,770,693.83, 53,503,557.78 and 21,367,039.32 is: 29,486,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770,693.83 : 53,503,557.78 = 21,367,039.32 : x
  2. Step 2: Convert to fraction form
    38,770,693.83/53,503,557.78 = 21,367,039.32/x
  3. Step 3: Cross multiply
    38,770,693.83x = 53,503,557.78 × 21,367,039.32
  4. Step 4: Simplify right side
    38,770,693.83x = 1,143,212,622,845,152
  5. Step 5: Solve for x
    x = 1,143,212,622,845,152/38,770,693.83
  6. Step 6: Final answer
    x = 29,486,514.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.