Finding the Fourth Proportional to 14,489,161.84, 19,993,744.92 and 7,962,716.08
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Solution
The fourth proportional to 14,489,161.84, 19,993,744.92 and 7,962,716.08 is: 10,987,834.63
Step by Step Solution
- Step 1: Write the proportion equation
14,489,161.84 : 19,993,744.92 = 7,962,716.08 : x - Step 2: Convert to fraction form
14,489,161.84/19,993,744.92 = 7,962,716.08/x - Step 3: Cross multiply
14,489,161.84x = 19,993,744.92 × 7,962,716.08 - Step 4: Simplify right side
14,489,161.84x = 159,204,514,173,902.34 - Step 5: Solve for x
x = 159,204,514,173,902.34/14,489,161.84 - Step 6: Final answer
x = 10,987,834.63
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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.