Finding the Fourth Proportional to 16,171,730.18, 22,318,944.66 and 9,204,101.88
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Solution
The fourth proportional to 16,171,730.18, 22,318,944.66 and 9,204,101.88 is: 12,702,774.42
Step by Step Solution
- Step 1: Write the proportion equation
16,171,730.18 : 22,318,944.66 = 9,204,101.88 : x - Step 2: Convert to fraction form
16,171,730.18/22,318,944.66 = 9,204,101.88/x - Step 3: Cross multiply
16,171,730.18x = 22,318,944.66 × 9,204,101.88 - Step 4: Simplify right side
16,171,730.18x = 205,425,840,504,721.97 - Step 5: Solve for x
x = 205,425,840,504,721.97/16,171,730.18 - Step 6: Final answer
x = 12,702,774.42
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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.