Home / 38,737,965.36-53,456,317.44-21,330,913.04

Finding the Fourth Proportional to 38,737,965.36, 53,456,317.44 and 21,330,913.04

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Solution

The fourth proportional to 38,737,965.36, 53,456,317.44 and 21,330,913.04 is: 29,435,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,737,965.36 : 53,456,317.44 = 21,330,913.04 : x
  2. Step 2: Convert to fraction form
    38,737,965.36/53,456,317.44 = 21,330,913.04/x
  3. Step 3: Cross multiply
    38,737,965.36x = 53,456,317.44 × 21,330,913.04
  4. Step 4: Simplify right side
    38,737,965.36x = 1,140,272,058,751,275.25
  5. Step 5: Solve for x
    x = 1,140,272,058,751,275.25/38,737,965.36
  6. Step 6: Final answer
    x = 29,435,517.54

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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.