Finding the Fourth Proportional to 13,933,841.97, 19,227,640.37 and 7,821,089.49
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Solution
The fourth proportional to 13,933,841.97, 19,227,640.37 and 7,821,089.49 is: 10,792,507.64
Step by Step Solution
- Step 1: Write the proportion equation
13,933,841.97 : 19,227,640.37 = 7,821,089.49 : x - Step 2: Convert to fraction form
13,933,841.97/19,227,640.37 = 7,821,089.49/x - Step 3: Cross multiply
13,933,841.97x = 19,227,640.37 × 7,821,089.49 - Step 4: Simplify right side
13,933,841.97x = 150,381,095,976,201.25 - Step 5: Solve for x
x = 150,381,095,976,201.25/13,933,841.97 - Step 6: Final answer
x = 10,792,507.64
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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.