Finding the Fourth Proportional to 13,469,936.11, 18,588,231.75 and 7,589,873.14
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Solution
The fourth proportional to 13,469,936.11, 18,588,231.75 and 7,589,873.14 is: 10,473,867.12
Step by Step Solution
- Step 1: Write the proportion equation
13,469,936.11 : 18,588,231.75 = 7,589,873.14 : x - Step 2: Convert to fraction form
13,469,936.11/18,588,231.75 = 7,589,873.14/x - Step 3: Cross multiply
13,469,936.11x = 18,588,231.75 × 7,589,873.14 - Step 4: Simplify right side
13,469,936.11x = 141,082,320,879,420.19 - Step 5: Solve for x
x = 141,082,320,879,420.19/13,469,936.11 - Step 6: Final answer
x = 10,473,867.12
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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.