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Finding the Fourth Proportional to 9,483,198.80, 14,182,807.80 and 7,971,544.40

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Solution

The fourth proportional to 9,483,198.80, 14,182,807.80 and 7,971,544.40 is: 11,922,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,483,198.80 : 14,182,807.80 = 7,971,544.40 : x
  2. Step 2: Convert to fraction form
    9,483,198.80/14,182,807.80 = 7,971,544.40/x
  3. Step 3: Cross multiply
    9,483,198.80x = 14,182,807.80 × 7,971,544.40
  4. Step 4: Simplify right side
    9,483,198.80x = 113,058,882,094,366.33
  5. Step 5: Solve for x
    x = 113,058,882,094,366.33/9,483,198.80
  6. Step 6: Final answer
    x = 11,922,019.61

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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.