Finding the Fourth Proportional to 13,368,266.14, 18,448,921.20 and 7,568,342.14
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Solution
The fourth proportional to 13,368,266.14, 18,448,921.20 and 7,568,342.14 is: 10,444,716.34
Step by Step Solution
- Step 1: Write the proportion equation
13,368,266.14 : 18,448,921.20 = 7,568,342.14 : x - Step 2: Convert to fraction form
13,368,266.14/18,448,921.20 = 7,568,342.14/x - Step 3: Cross multiply
13,368,266.14x = 18,448,921.20 × 7,568,342.14 - Step 4: Simplify right side
13,368,266.14x = 139,627,747,755,499.36 - Step 5: Solve for x
x = 139,627,747,755,499.36/13,368,266.14 - Step 6: Final answer
x = 10,444,716.34
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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.