Finding the Fourth Proportional to 11,703,954.60, 16,151,951.61 and 7,234,502.99
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Solution
The fourth proportional to 11,703,954.60, 16,151,951.61 and 7,234,502.99 is: 9,983,919.63
Step by Step Solution
- Step 1: Write the proportion equation
11,703,954.60 : 16,151,951.61 = 7,234,502.99 : x - Step 2: Convert to fraction form
11,703,954.60/16,151,951.61 = 7,234,502.99/x - Step 3: Cross multiply
11,703,954.60x = 16,151,951.61 × 7,234,502.99 - Step 4: Simplify right side
11,703,954.60x = 116,851,342,136,120.56 - Step 5: Solve for x
x = 116,851,342,136,120.56/11,703,954.60 - Step 6: Final answer
x = 9,983,919.63
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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.