Home / 38,765,112.94-53,496,214.60-21,362,080.96

Finding the Fourth Proportional to 38,765,112.94, 53,496,214.60 and 21,362,080.96

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Solution

The fourth proportional to 38,765,112.94, 53,496,214.60 and 21,362,080.96 is: 29,479,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,112.94 : 53,496,214.60 = 21,362,080.96 : x
  2. Step 2: Convert to fraction form
    38,765,112.94/53,496,214.60 = 21,362,080.96/x
  3. Step 3: Cross multiply
    38,765,112.94x = 53,496,214.60 × 21,362,080.96
  4. Step 4: Simplify right side
    38,765,112.94x = 1,142,790,467,338,734
  5. Step 5: Solve for x
    x = 1,142,790,467,338,734/38,765,112.94
  6. Step 6: Final answer
    x = 29,479,869.42

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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.