Home / 40,500,802.09-55,891,255.03-21,915,942.38

Finding the Fourth Proportional to 40,500,802.09, 55,891,255.03 and 21,915,942.38

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Solution

The fourth proportional to 40,500,802.09, 55,891,255.03 and 21,915,942.38 is: 30,244,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,802.09 : 55,891,255.03 = 21,915,942.38 : x
  2. Step 2: Convert to fraction form
    40,500,802.09/55,891,255.03 = 21,915,942.38/x
  3. Step 3: Cross multiply
    40,500,802.09x = 55,891,255.03 × 21,915,942.38
  4. Step 4: Simplify right side
    40,500,802.09x = 1,224,909,524,603,183.75
  5. Step 5: Solve for x
    x = 1,224,909,524,603,183.75/40,500,802.09
  6. Step 6: Final answer
    x = 30,244,080.64

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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.