Home / 38,845,533.87-53,606,842.07-21,441,882.78

Finding the Fourth Proportional to 38,845,533.87, 53,606,842.07 and 21,441,882.78

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Solution

The fourth proportional to 38,845,533.87, 53,606,842.07 and 21,441,882.78 is: 29,589,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,533.87 : 53,606,842.07 = 21,441,882.78 : x
  2. Step 2: Convert to fraction form
    38,845,533.87/53,606,842.07 = 21,441,882.78/x
  3. Step 3: Cross multiply
    38,845,533.87x = 53,606,842.07 × 21,441,882.78
  4. Step 4: Simplify right side
    38,845,533.87x = 1,149,431,623,763,703.25
  5. Step 5: Solve for x
    x = 1,149,431,623,763,703.25/38,845,533.87
  6. Step 6: Final answer
    x = 29,589,801.18

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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.