Home / 38,789,761.78-53,580,968.43-28,751,610.32

Finding the Fourth Proportional to 38,789,761.78, 53,580,968.43 and 28,751,610.32

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Solution

The fourth proportional to 38,789,761.78, 53,580,968.43 and 28,751,610.32 is: 39,715,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789,761.78 : 53,580,968.43 = 28,751,610.32 : x
  2. Step 2: Convert to fraction form
    38,789,761.78/53,580,968.43 = 28,751,610.32/x
  3. Step 3: Cross multiply
    38,789,761.78x = 53,580,968.43 × 28,751,610.32
  4. Step 4: Simplify right side
    38,789,761.78x = 1,540,539,124,676,819
  5. Step 5: Solve for x
    x = 1,540,539,124,676,819/38,789,761.78
  6. Step 6: Final answer
    x = 39,715,096.31

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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.