Home / 33,293,040-45,942,986.16-20,909,604.48

Finding the Fourth Proportional to 33,293,040, 45,942,986.16 and 20,909,604.48

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Solution

The fourth proportional to 33,293,040, 45,942,986.16 and 20,909,604.48 is: 28,854,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,293,040 : 45,942,986.16 = 20,909,604.48 : x
  2. Step 2: Convert to fraction form
    33,293,040/45,942,986.16 = 20,909,604.48/x
  3. Step 3: Cross multiply
    33,293,040x = 45,942,986.16 × 20,909,604.48
  4. Step 4: Simplify right side
    33,293,040x = 960,649,669,235,714
  5. Step 5: Solve for x
    x = 960,649,669,235,714/33,293,040
  6. Step 6: Final answer
    x = 28,854,369.24

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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.