Finding the Fourth Proportional to 13,107,844.71, 18,081,418.19 and 8,204,554.26
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Solution
The fourth proportional to 13,107,844.71, 18,081,418.19 and 8,204,554.26 is: 11,317,648.32
Step by Step Solution
- Step 1: Write the proportion equation
13,107,844.71 : 18,081,418.19 = 8,204,554.26 : x - Step 2: Convert to fraction form
13,107,844.71/18,081,418.19 = 8,204,554.26/x - Step 3: Cross multiply
13,107,844.71x = 18,081,418.19 × 8,204,554.26 - Step 4: Simplify right side
13,107,844.71x = 148,349,976,596,583.19 - Step 5: Solve for x
x = 148,349,976,596,583.19/13,107,844.71 - Step 6: Final answer
x = 11,317,648.32
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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.