Home / 30,568,094.47-45,852,133.49-20,954,326.78

Finding the Fourth Proportional to 30,568,094.47, 45,852,133.49 and 20,954,326.78

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Solution

The fourth proportional to 30,568,094.47, 45,852,133.49 and 20,954,326.78 is: 31,431,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568,094.47 : 45,852,133.49 = 20,954,326.78 : x
  2. Step 2: Convert to fraction form
    30,568,094.47/45,852,133.49 = 20,954,326.78/x
  3. Step 3: Cross multiply
    30,568,094.47x = 45,852,133.49 × 20,954,326.78
  4. Step 4: Simplify right side
    30,568,094.47x = 960,800,588,647,397.38
  5. Step 5: Solve for x
    x = 960,800,588,647,397.38/30,568,094.47
  6. Step 6: Final answer
    x = 31,431,484.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.