Finding the Fourth Proportional to 36,874,571.49, 50,886,918.84 and 20,354,706.82
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Solution
The fourth proportional to 36,874,571.49, 50,886,918.84 and 20,354,706.82 is: 28,089,501.03
Step by Step Solution
- Step 1: Write the proportion equation
36,874,571.49 : 50,886,918.84 = 20,354,706.82 : x - Step 2: Convert to fraction form
36,874,571.49/50,886,918.84 = 20,354,706.82/x - Step 3: Cross multiply
36,874,571.49x = 50,886,918.84 × 20,354,706.82 - Step 4: Simplify right side
36,874,571.49x = 1,035,788,313,834,117.25 - Step 5: Solve for x
x = 1,035,788,313,834,117.25/36,874,571.49 - Step 6: Final answer
x = 28,089,501.03
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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.