Finding the Fourth Proportional to 27,305,185.19, 37,681,283.88 and 14,915,450.21
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Solution
The fourth proportional to 27,305,185.19, 37,681,283.88 and 14,915,450.21 is: 20,583,391.38
Step by Step Solution
- Step 1: Write the proportion equation
27,305,185.19 : 37,681,283.88 = 14,915,450.21 : x - Step 2: Convert to fraction form
27,305,185.19/37,681,283.88 = 14,915,450.21/x - Step 3: Cross multiply
27,305,185.19x = 37,681,283.88 × 14,915,450.21 - Step 4: Simplify right side
27,305,185.19x = 562,033,313,372,609.25 - Step 5: Solve for x
x = 562,033,313,372,609.25/27,305,185.19 - Step 6: Final answer
x = 20,583,391.38
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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.