Finding the Fourth Proportional to 8,579,716.42, 11,837,127.99 and 4,858,039.75
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Solution
The fourth proportional to 8,579,716.42, 11,837,127.99 and 4,858,039.75 is: 6,702,463.75
Step by Step Solution
- Step 1: Write the proportion equation
8,579,716.42 : 11,837,127.99 = 4,858,039.75 : x - Step 2: Convert to fraction form
8,579,716.42/11,837,127.99 = 4,858,039.75/x - Step 3: Cross multiply
8,579,716.42x = 11,837,127.99 × 4,858,039.75 - Step 4: Simplify right side
8,579,716.42x = 57,505,238,301,257.60 - Step 5: Solve for x
x = 57,505,238,301,257.60/8,579,716.42 - Step 6: Final answer
x = 6,702,463.75
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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.