Finding the Fourth Proportional to 21,624,851.94, 29,842,374.74 and 11,701,734.68
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Solution
The fourth proportional to 21,624,851.94, 29,842,374.74 and 11,701,734.68 is: 16,148,436.63
Step by Step Solution
- Step 1: Write the proportion equation
21,624,851.94 : 29,842,374.74 = 11,701,734.68 : x - Step 2: Convert to fraction form
21,624,851.94/29,842,374.74 = 11,701,734.68/x - Step 3: Cross multiply
21,624,851.94x = 29,842,374.74 × 11,701,734.68 - Step 4: Simplify right side
21,624,851.94x = 349,207,551,220,893.44 - Step 5: Solve for x
x = 349,207,551,220,893.44/21,624,851.94 - Step 6: Final answer
x = 16,148,436.63
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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.