Home / 40,288,987.74-55,598,873.94-21,954,273.24

Finding the Fourth Proportional to 40,288,987.74, 55,598,873.94 and 21,954,273.24

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Solution

The fourth proportional to 40,288,987.74, 55,598,873.94 and 21,954,273.24 is: 30,296,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288,987.74 : 55,598,873.94 = 21,954,273.24 : x
  2. Step 2: Convert to fraction form
    40,288,987.74/55,598,873.94 = 21,954,273.24/x
  3. Step 3: Cross multiply
    40,288,987.74x = 55,598,873.94 × 21,954,273.24
  4. Step 4: Simplify right side
    40,288,987.74x = 1,220,632,870,315,075.25
  5. Step 5: Solve for x
    x = 1,220,632,870,315,075.25/40,288,987.74
  6. Step 6: Final answer
    x = 30,296,935.68

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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.