Home / 39,363,572.19-54,321,752.97-21,959,917.38

Finding the Fourth Proportional to 39,363,572.19, 54,321,752.97 and 21,959,917.38

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Solution

The fourth proportional to 39,363,572.19, 54,321,752.97 and 21,959,917.38 is: 30,304,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363,572.19 : 54,321,752.97 = 21,959,917.38 : x
  2. Step 2: Convert to fraction form
    39,363,572.19/54,321,752.97 = 21,959,917.38/x
  3. Step 3: Cross multiply
    39,363,572.19x = 54,321,752.97 × 21,959,917.38
  4. Step 4: Simplify right side
    39,363,572.19x = 1,192,901,207,157,969.50
  5. Step 5: Solve for x
    x = 1,192,901,207,157,969.50/39,363,572.19
  6. Step 6: Final answer
    x = 30,304,699.01

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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.