Finding the Fourth Proportional to 7,702,236.24, 11,549,032.20 and 5,276,131.62
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Solution
The fourth proportional to 7,702,236.24, 11,549,032.20 and 5,276,131.62 is: 7,911,236.69
Step by Step Solution
- Step 1: Write the proportion equation
7,702,236.24 : 11,549,032.20 = 5,276,131.62 : x - Step 2: Convert to fraction form
7,702,236.24/11,549,032.20 = 5,276,131.62/x - Step 3: Cross multiply
7,702,236.24x = 11,549,032.20 × 5,276,131.62 - Step 4: Simplify right side
7,702,236.24x = 60,934,213,970,818.16 - Step 5: Solve for x
x = 60,934,213,970,818.16/7,702,236.24 - Step 6: Final answer
x = 7,911,236.69
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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.