Finding the Fourth Proportional to 11,226,942.42, 15,493,090.38 and 6,517,774.92
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Solution
The fourth proportional to 11,226,942.42, 15,493,090.38 and 6,517,774.92 is: 8,994,477.05
Step by Step Solution
- Step 1: Write the proportion equation
11,226,942.42 : 15,493,090.38 = 6,517,774.92 : x - Step 2: Convert to fraction form
11,226,942.42/15,493,090.38 = 6,517,774.92/x - Step 3: Cross multiply
11,226,942.42x = 15,493,090.38 × 6,517,774.92 - Step 4: Simplify right side
11,226,942.42x = 100,980,475,912,057.28 - Step 5: Solve for x
x = 100,980,475,912,057.28/11,226,942.42 - Step 6: Final answer
x = 8,994,477.05
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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.