Finding the Fourth Proportional to 8,938,415.80, 13,407,623.70 and 2,954,783.80
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Solution
The fourth proportional to 8,938,415.80, 13,407,623.70 and 2,954,783.80 is: 4,432,175.70
Step by Step Solution
- Step 1: Write the proportion equation
8,938,415.80 : 13,407,623.70 = 2,954,783.80 : x - Step 2: Convert to fraction form
8,938,415.80/13,407,623.70 = 2,954,783.80/x - Step 3: Cross multiply
8,938,415.80x = 13,407,623.70 × 2,954,783.80 - Step 4: Simplify right side
8,938,415.80x = 39,616,629,305,256.05 - Step 5: Solve for x
x = 39,616,629,305,256.05/8,938,415.80 - Step 6: Final answer
x = 4,432,175.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.