Home / 38,721,579.53-53,433,751.37-21,314,524.82

Finding the Fourth Proportional to 38,721,579.53, 53,433,751.37 and 21,314,524.82

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Solution

The fourth proportional to 38,721,579.53, 53,433,751.37 and 21,314,524.82 is: 29,412,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721,579.53 : 53,433,751.37 = 21,314,524.82 : x
  2. Step 2: Convert to fraction form
    38,721,579.53/53,433,751.37 = 21,314,524.82/x
  3. Step 3: Cross multiply
    38,721,579.53x = 53,433,751.37 × 21,314,524.82
  4. Step 4: Simplify right side
    38,721,579.53x = 1,138,915,019,427,832.75
  5. Step 5: Solve for x
    x = 1,138,915,019,427,832.75/38,721,579.53
  6. Step 6: Final answer
    x = 29,412,927.71

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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.