Home / 6,631,512.15-9,947,267.78-1,839,201.32

Finding the Fourth Proportional to 6,631,512.15, 9,947,267.78 and 1,839,201.32

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Solution

The fourth proportional to 6,631,512.15, 9,947,267.78 and 1,839,201.32 is: 2,758,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,512.15 : 9,947,267.78 = 1,839,201.32 : x
  2. Step 2: Convert to fraction form
    6,631,512.15/9,947,267.78 = 1,839,201.32/x
  3. Step 3: Cross multiply
    6,631,512.15x = 9,947,267.78 × 1,839,201.32
  4. Step 4: Simplify right side
    6,631,512.15x = 18,295,028,047,041.63
  5. Step 5: Solve for x
    x = 18,295,028,047,041.63/6,631,512.15
  6. Step 6: Final answer
    x = 2,758,801.86

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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.