Finding the Fourth Proportional to 11,612,322.18, 16,024,096.85 and 6,455,369.70
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Solution
The fourth proportional to 11,612,322.18, 16,024,096.85 and 6,455,369.70 is: 8,907,905.55
Step by Step Solution
- Step 1: Write the proportion equation
11,612,322.18 : 16,024,096.85 = 6,455,369.70 : x - Step 2: Convert to fraction form
11,612,322.18/16,024,096.85 = 6,455,369.70/x - Step 3: Cross multiply
11,612,322.18x = 16,024,096.85 × 6,455,369.70 - Step 4: Simplify right side
11,612,322.18x = 103,441,469,243,078.61 - Step 5: Solve for x
x = 103,441,469,243,078.61/11,612,322.18 - Step 6: Final answer
x = 8,907,905.55
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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.