Finding the Fourth Proportional to 23,974,431.40, 33,078,336.42 and 13,660,934.68
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Solution
The fourth proportional to 23,974,431.40, 33,078,336.42 and 13,660,934.68 is: 18,848,455.07
Step by Step Solution
- Step 1: Write the proportion equation
23,974,431.40 : 33,078,336.42 = 13,660,934.68 : x - Step 2: Convert to fraction form
23,974,431.40/33,078,336.42 = 13,660,934.68/x - Step 3: Cross multiply
23,974,431.40x = 33,078,336.42 × 13,660,934.68 - Step 4: Simplify right side
23,974,431.40x = 451,880,993,156,685.06 - Step 5: Solve for x
x = 451,880,993,156,685.06/23,974,431.40 - Step 6: Final answer
x = 18,848,455.07
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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.