Home / 40,089,497.87-55,323,508.38-21,754,783.37

Finding the Fourth Proportional to 40,089,497.87, 55,323,508.38 and 21,754,783.37

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Solution

The fourth proportional to 40,089,497.87, 55,323,508.38 and 21,754,783.37 is: 30,021,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,497.87 : 55,323,508.38 = 21,754,783.37 : x
  2. Step 2: Convert to fraction form
    40,089,497.87/55,323,508.38 = 21,754,783.37/x
  3. Step 3: Cross multiply
    40,089,497.87x = 55,323,508.38 × 21,754,783.37
  4. Step 4: Simplify right side
    40,089,497.87x = 1,203,550,940,132,007.75
  5. Step 5: Solve for x
    x = 1,203,550,940,132,007.75/40,089,497.87
  6. Step 6: Final answer
    x = 30,021,601.77

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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.