Finding the Fourth Proportional to 11,632,486.05, 17,456,602.28 and 5,239,447.65
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Solution
The fourth proportional to 11,632,486.05, 17,456,602.28 and 5,239,447.65 is: 7,862,717.68
Step by Step Solution
- Step 1: Write the proportion equation
11,632,486.05 : 17,456,602.28 = 5,239,447.65 : x - Step 2: Convert to fraction form
11,632,486.05/17,456,602.28 = 5,239,447.65/x - Step 3: Cross multiply
11,632,486.05x = 17,456,602.28 × 5,239,447.65 - Step 4: Simplify right side
11,632,486.05x = 91,462,953,766,733.41 - Step 5: Solve for x
x = 91,462,953,766,733.41/11,632,486.05 - Step 6: Final answer
x = 7,862,717.68
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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.