Finding the Fourth Proportional to 7,115,004.48, 9,835,254.10 and 6,348,234.99
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Solution
The fourth proportional to 7,115,004.48, 9,835,254.10 and 6,348,234.99 is: 8,775,328.87
Step by Step Solution
- Step 1: Write the proportion equation
7,115,004.48 : 9,835,254.10 = 6,348,234.99 : x - Step 2: Convert to fraction form
7,115,004.48/9,835,254.10 = 6,348,234.99/x - Step 3: Cross multiply
7,115,004.48x = 9,835,254.10 × 6,348,234.99 - Step 4: Simplify right side
7,115,004.48x = 62,436,504,148,114.10 - Step 5: Solve for x
x = 62,436,504,148,114.10/7,115,004.48 - Step 6: Final answer
x = 8,775,328.87
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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.