Home / 38,600,416.96-53,269,187.29-20,959,309.51

Finding the Fourth Proportional to 38,600,416.96, 53,269,187.29 and 20,959,309.51

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Solution

The fourth proportional to 38,600,416.96, 53,269,187.29 and 20,959,309.51 is: 28,924,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,416.96 : 53,269,187.29 = 20,959,309.51 : x
  2. Step 2: Convert to fraction form
    38,600,416.96/53,269,187.29 = 20,959,309.51/x
  3. Step 3: Cross multiply
    38,600,416.96x = 53,269,187.29 × 20,959,309.51
  4. Step 4: Simplify right side
    38,600,416.96x = 1,116,485,383,571,696.88
  5. Step 5: Solve for x
    x = 1,116,485,383,571,696.88/38,600,416.96
  6. Step 6: Final answer
    x = 28,924,179.36

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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.