Finding the Fourth Proportional to 19,192,694.85, 28,790,529.44 and 6,413,244.66
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Solution
The fourth proportional to 19,192,694.85, 28,790,529.44 and 6,413,244.66 is: 9,620,363.92
Step by Step Solution
- Step 1: Write the proportion equation
19,192,694.85 : 28,790,529.44 = 6,413,244.66 : x - Step 2: Convert to fraction form
19,192,694.85/28,790,529.44 = 6,413,244.66/x - Step 3: Cross multiply
19,192,694.85x = 28,790,529.44 × 6,413,244.66 - Step 4: Simplify right side
19,192,694.85x = 184,640,709,157,586.56 - Step 5: Solve for x
x = 184,640,709,157,586.56/19,192,694.85 - Step 6: Final answer
x = 9,620,363.92
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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.