Finding the Fourth Proportional to 16,011,850.97, 22,079,839.62 and 13,696,408.92
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Solution
The fourth proportional to 16,011,850.97, 22,079,839.62 and 13,696,408.92 is: 18,886,917.74
Step by Step Solution
- Step 1: Write the proportion equation
16,011,850.97 : 22,079,839.62 = 13,696,408.92 : x - Step 2: Convert to fraction form
16,011,850.97/22,079,839.62 = 13,696,408.92/x - Step 3: Cross multiply
16,011,850.97x = 22,079,839.62 × 13,696,408.92 - Step 4: Simplify right side
16,011,850.97x = 302,414,512,213,138.19 - Step 5: Solve for x
x = 302,414,512,213,138.19/16,011,850.97 - Step 6: Final answer
x = 18,886,917.74
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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.