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Finding the Fourth Proportional to 9,993,976.02, 13,791,691.52 and 5,410,297.39

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Solution

The fourth proportional to 9,993,976.02, 13,791,691.52 and 5,410,297.39 is: 7,466,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993,976.02 : 13,791,691.52 = 5,410,297.39 : x
  2. Step 2: Convert to fraction form
    9,993,976.02/13,791,691.52 = 5,410,297.39/x
  3. Step 3: Cross multiply
    9,993,976.02x = 13,791,691.52 × 5,410,297.39
  4. Step 4: Simplify right side
    9,993,976.02x = 74,617,152,634,341.12
  5. Step 5: Solve for x
    x = 74,617,152,634,341.12/9,993,976.02
  6. Step 6: Final answer
    x = 7,466,212.90

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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.