Home / 38,552,968.19-53,202,786.08-20,911,826.84

Finding the Fourth Proportional to 38,552,968.19, 53,202,786.08 and 20,911,826.84

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Solution

The fourth proportional to 38,552,968.19, 53,202,786.08 and 20,911,826.84 is: 28,858,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552,968.19 : 53,202,786.08 = 20,911,826.84 : x
  2. Step 2: Convert to fraction form
    38,552,968.19/53,202,786.08 = 20,911,826.84/x
  3. Step 3: Cross multiply
    38,552,968.19x = 53,202,786.08 × 20,911,826.84
  4. Step 4: Simplify right side
    38,552,968.19x = 1,112,567,449,539,949.38
  5. Step 5: Solve for x
    x = 1,112,567,449,539,949.38/38,552,968.19
  6. Step 6: Final answer
    x = 28,858,152.87

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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.