Home / 38,065,651.11-52,530,639.21-20,661,993.54

Finding the Fourth Proportional to 38,065,651.11, 52,530,639.21 and 20,661,993.54

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Solution

The fourth proportional to 38,065,651.11, 52,530,639.21 and 20,661,993.54 is: 28,513,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065,651.11 : 52,530,639.21 = 20,661,993.54 : x
  2. Step 2: Convert to fraction form
    38,065,651.11/52,530,639.21 = 20,661,993.54/x
  3. Step 3: Cross multiply
    38,065,651.11x = 52,530,639.21 × 20,661,993.54
  4. Step 4: Simplify right side
    38,065,651.11x = 1,085,387,728,009,090.62
  5. Step 5: Solve for x
    x = 1,085,387,728,009,090.62/38,065,651.11
  6. Step 6: Final answer
    x = 28,513,573.17

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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.