Home / 38,189,629.44-52,701,907.68-20,785,932.48

Finding the Fourth Proportional to 38,189,629.44, 52,701,907.68 and 20,785,932.48

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Solution

The fourth proportional to 38,189,629.44, 52,701,907.68 and 20,785,932.48 is: 28,684,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189,629.44 : 52,701,907.68 = 20,785,932.48 : x
  2. Step 2: Convert to fraction form
    38,189,629.44/52,701,907.68 = 20,785,932.48/x
  3. Step 3: Cross multiply
    38,189,629.44x = 52,701,907.68 × 20,785,932.48
  4. Step 4: Simplify right side
    38,189,629.44x = 1,095,458,294,603,673.50
  5. Step 5: Solve for x
    x = 1,095,458,294,603,673.50/38,189,629.44
  6. Step 6: Final answer
    x = 28,684,706.05

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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.