Home / 12,282,620.82-18,439,896.60-9,444,725.88

Finding the Fourth Proportional to 12,282,620.82, 18,439,896.60 and 9,444,725.88

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Solution

The fourth proportional to 12,282,620.82, 18,439,896.60 and 9,444,725.88 is: 14,179,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,620.82 : 18,439,896.60 = 9,444,725.88 : x
  2. Step 2: Convert to fraction form
    12,282,620.82/18,439,896.60 = 9,444,725.88/x
  3. Step 3: Cross multiply
    12,282,620.82x = 18,439,896.60 × 9,444,725.88
  4. Step 4: Simplify right side
    12,282,620.82x = 174,159,768,642,544.03
  5. Step 5: Solve for x
    x = 174,159,768,642,544.03/12,282,620.82
  6. Step 6: Final answer
    x = 14,179,365.40

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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.