Home / 38,789,763.97-53,580,971.45-28,751,612.51

Finding the Fourth Proportional to 38,789,763.97, 53,580,971.45 and 28,751,612.51

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Solution

The fourth proportional to 38,789,763.97, 53,580,971.45 and 28,751,612.51 is: 39,715,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789,763.97 : 53,580,971.45 = 28,751,612.51 : x
  2. Step 2: Convert to fraction form
    38,789,763.97/53,580,971.45 = 28,751,612.51/x
  3. Step 3: Cross multiply
    38,789,763.97x = 53,580,971.45 × 28,751,612.51
  4. Step 4: Simplify right side
    38,789,763.97x = 1,540,539,329,039,773
  5. Step 5: Solve for x
    x = 1,540,539,329,039,773/38,789,763.97
  6. Step 6: Final answer
    x = 39,715,099.33

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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.