Home / 9,662,420.84-13,334,183.97-5,311,787.45

Finding the Fourth Proportional to 9,662,420.84, 13,334,183.97 and 5,311,787.45

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Solution

The fourth proportional to 9,662,420.84, 13,334,183.97 and 5,311,787.45 is: 7,330,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,420.84 : 13,334,183.97 = 5,311,787.45 : x
  2. Step 2: Convert to fraction form
    9,662,420.84/13,334,183.97 = 5,311,787.45/x
  3. Step 3: Cross multiply
    9,662,420.84x = 13,334,183.97 × 5,311,787.45
  4. Step 4: Simplify right side
    9,662,420.84x = 70,828,351,067,837.19
  5. Step 5: Solve for x
    x = 70,828,351,067,837.19/9,662,420.84
  6. Step 6: Final answer
    x = 7,330,290.44

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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.