Finding the Fourth Proportional to 30,362,963.18, 41,901,888.42 and 16,611,612.62
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Solution
The fourth proportional to 30,362,963.18, 41,901,888.42 and 16,611,612.62 is: 22,924,572.09
Step by Step Solution
- Step 1: Write the proportion equation
30,362,963.18 : 41,901,888.42 = 16,611,612.62 : x - Step 2: Convert to fraction form
30,362,963.18/41,901,888.42 = 16,611,612.62/x - Step 3: Cross multiply
30,362,963.18x = 41,901,888.42 × 16,611,612.62 - Step 4: Simplify right side
30,362,963.18x = 696,057,938,269,994.50 - Step 5: Solve for x
x = 696,057,938,269,994.50/30,362,963.18 - Step 6: Final answer
x = 22,924,572.09
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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.