Home / 15,667,823,382.67-21,621,504,173.06-8,531,220,107.13

Finding the Fourth Proportional to 15,667,823,382.67, 21,621,504,173.06 and 8,531,220,107.13

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Solution

The fourth proportional to 15,667,823,382.67, 21,621,504,173.06 and 8,531,220,107.13 is: 11,773,033,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667,823,382.67 : 21,621,504,173.06 = 8,531,220,107.13 : x
  2. Step 2: Convert to fraction form
    15,667,823,382.67/21,621,504,173.06 = 8,531,220,107.13/x
  3. Step 3: Cross multiply
    15,667,823,382.67x = 21,621,504,173.06 × 8,531,220,107.13
  4. Step 4: Simplify right side
    15,667,823,382.67x = 184,457,811,147,453,923,328
  5. Step 5: Solve for x
    x = 184,457,811,147,453,923,328/15,667,823,382.67
  6. Step 6: Final answer
    x = 11,773,033,601.56

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1.5x scale

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.