Home / 39,202,796.43-54,097,636.86-21,798,767.97

Finding the Fourth Proportional to 39,202,796.43, 54,097,636.86 and 21,798,767.97

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Solution

The fourth proportional to 39,202,796.43, 54,097,636.86 and 21,798,767.97 is: 30,081,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202,796.43 : 54,097,636.86 = 21,798,767.97 : x
  2. Step 2: Convert to fraction form
    39,202,796.43/54,097,636.86 = 21,798,767.97/x
  3. Step 3: Cross multiply
    39,202,796.43x = 54,097,636.86 × 21,798,767.97
  4. Step 4: Simplify right side
    39,202,796.43x = 1,179,261,833,636,459.25
  5. Step 5: Solve for x
    x = 1,179,261,833,636,459.25/39,202,796.43
  6. Step 6: Final answer
    x = 30,081,064.13

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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.