Home / 40,539,574.56-55,943,921.56-21,954,563.76

Finding the Fourth Proportional to 40,539,574.56, 55,943,921.56 and 21,954,563.76

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Solution

The fourth proportional to 40,539,574.56, 55,943,921.56 and 21,954,563.76 is: 30,296,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,574.56 : 55,943,921.56 = 21,954,563.76 : x
  2. Step 2: Convert to fraction form
    40,539,574.56/55,943,921.56 = 21,954,563.76/x
  3. Step 3: Cross multiply
    40,539,574.56x = 55,943,921.56 × 21,954,563.76
  4. Step 4: Simplify right side
    40,539,574.56x = 1,228,224,392,873,458.75
  5. Step 5: Solve for x
    x = 1,228,224,392,873,458.75/40,539,574.56
  6. Step 6: Final answer
    x = 30,296,923.59

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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.