Home / 6,743,832.80-10,115,749.20-6,631,858.40

Finding the Fourth Proportional to 6,743,832.80, 10,115,749.20 and 6,631,858.40

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Solution

The fourth proportional to 6,743,832.80, 10,115,749.20 and 6,631,858.40 is: 9,947,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743,832.80 : 10,115,749.20 = 6,631,858.40 : x
  2. Step 2: Convert to fraction form
    6,743,832.80/10,115,749.20 = 6,631,858.40/x
  3. Step 3: Cross multiply
    6,743,832.80x = 10,115,749.20 × 6,631,858.40
  4. Step 4: Simplify right side
    6,743,832.80x = 67,086,216,304,313.28
  5. Step 5: Solve for x
    x = 67,086,216,304,313.28/6,743,832.80
  6. Step 6: Final answer
    x = 9,947,787.60

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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.