Finding the Fourth Proportional to 16,318,174.05, 22,517,466.57 and 9,347,513.40
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Solution
The fourth proportional to 16,318,174.05, 22,517,466.57 and 9,347,513.40 is: 12,898,644.17
Step by Step Solution
- Step 1: Write the proportion equation
16,318,174.05 : 22,517,466.57 = 9,347,513.40 : x - Step 2: Convert to fraction form
16,318,174.05/22,517,466.57 = 9,347,513.40/x - Step 3: Cross multiply
16,318,174.05x = 22,517,466.57 × 9,347,513.40 - Step 4: Simplify right side
16,318,174.05x = 210,482,320,497,127.06 - Step 5: Solve for x
x = 210,482,320,497,127.06/16,318,174.05 - Step 6: Final answer
x = 12,898,644.17
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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.