Home / 12,787,852.80-19,150,286.40-6,048,393.60

Finding the Fourth Proportional to 12,787,852.80, 19,150,286.40 and 6,048,393.60

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Solution

The fourth proportional to 12,787,852.80, 19,150,286.40 and 6,048,393.60 is: 9,057,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,852.80 : 19,150,286.40 = 6,048,393.60 : x
  2. Step 2: Convert to fraction form
    12,787,852.80/19,150,286.40 = 6,048,393.60/x
  3. Step 3: Cross multiply
    12,787,852.80x = 19,150,286.40 × 6,048,393.60
  4. Step 4: Simplify right side
    12,787,852.80x = 115,828,469,699,927.03
  5. Step 5: Solve for x
    x = 115,828,469,699,927.03/12,787,852.80
  6. Step 6: Final answer
    x = 9,057,694.95

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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.