Finding the Fourth Proportional to 11,305,243.84, 16,957,970.73 and 3,218,219.19
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Solution
The fourth proportional to 11,305,243.84, 16,957,970.73 and 3,218,219.19 is: 4,827,358.67
Step by Step Solution
- Step 1: Write the proportion equation
11,305,243.84 : 16,957,970.73 = 3,218,219.19 : x - Step 2: Convert to fraction form
11,305,243.84/16,957,970.73 = 3,218,219.19/x - Step 3: Cross multiply
11,305,243.84x = 16,957,970.73 × 3,218,219.19 - Step 4: Simplify right side
11,305,243.84x = 54,574,466,826,744.31 - Step 5: Solve for x
x = 54,574,466,826,744.31/11,305,243.84 - Step 6: Final answer
x = 4,827,358.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.