Finding the Fourth Proportional to 27,832,915.63, 38,411,527.35 and 15,445,353.97
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Solution
The fourth proportional to 27,832,915.63, 38,411,527.35 and 15,445,353.97 is: 21,315,755.93
Step by Step Solution
- Step 1: Write the proportion equation
27,832,915.63 : 38,411,527.35 = 15,445,353.97 : x - Step 2: Convert to fraction form
27,832,915.63/38,411,527.35 = 15,445,353.97/x - Step 3: Cross multiply
27,832,915.63x = 38,411,527.35 × 15,445,353.97 - Step 4: Simplify right side
27,832,915.63x = 593,279,636,449,086.12 - Step 5: Solve for x
x = 593,279,636,449,086.12/27,832,915.63 - Step 6: Final answer
x = 21,315,755.93
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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.