Finding the Fourth Proportional to 11,051,457.75, 15,252,043.23 and 6,467,782.77
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Solution
The fourth proportional to 11,051,457.75, 15,252,043.23 and 6,467,782.77 is: 8,926,143.92
Step by Step Solution
- Step 1: Write the proportion equation
11,051,457.75 : 15,252,043.23 = 6,467,782.77 : x - Step 2: Convert to fraction form
11,051,457.75/15,252,043.23 = 6,467,782.77/x - Step 3: Cross multiply
11,051,457.75x = 15,252,043.23 × 6,467,782.77 - Step 4: Simplify right side
11,051,457.75x = 98,646,902,410,289.14 - Step 5: Solve for x
x = 98,646,902,410,289.14/11,051,457.75 - Step 6: Final answer
x = 8,926,143.92
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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.