Finding the Fourth Proportional to 7,244,893.60, 9,998,192.85 and 3,981,823.99
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Solution
The fourth proportional to 7,244,893.60, 9,998,192.85 and 3,981,823.99 is: 5,495,048.84
Step by Step Solution
- Step 1: Write the proportion equation
7,244,893.60 : 9,998,192.85 = 3,981,823.99 : x - Step 2: Convert to fraction form
7,244,893.60/9,998,192.85 = 3,981,823.99/x - Step 3: Cross multiply
7,244,893.60x = 9,998,192.85 × 3,981,823.99 - Step 4: Simplify right side
7,244,893.60x = 39,811,044,146,776.47 - Step 5: Solve for x
x = 39,811,044,146,776.47/7,244,893.60 - Step 6: Final answer
x = 5,495,048.84
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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.