Home / 35,085,855.03-48,399,040.96-20,399,897.71

Finding the Fourth Proportional to 35,085,855.03, 48,399,040.96 and 20,399,897.71

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Solution

The fourth proportional to 35,085,855.03, 48,399,040.96 and 20,399,897.71 is: 28,140,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085,855.03 : 48,399,040.96 = 20,399,897.71 : x
  2. Step 2: Convert to fraction form
    35,085,855.03/48,399,040.96 = 20,399,897.71/x
  3. Step 3: Cross multiply
    35,085,855.03x = 48,399,040.96 × 20,399,897.71
  4. Step 4: Simplify right side
    35,085,855.03x = 987,335,484,846,100.25
  5. Step 5: Solve for x
    x = 987,335,484,846,100.25/35,085,855.03
  6. Step 6: Final answer
    x = 28,140,556.47

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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.