Finding the Fourth Proportional to 19,916,762.19, 27,485,976.83 and 11,096,205.63
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Solution
The fourth proportional to 19,916,762.19, 27,485,976.83 and 11,096,205.63 is: 15,313,234.54
Step by Step Solution
- Step 1: Write the proportion equation
19,916,762.19 : 27,485,976.83 = 11,096,205.63 : x - Step 2: Convert to fraction form
19,916,762.19/27,485,976.83 = 11,096,205.63/x - Step 3: Cross multiply
19,916,762.19x = 27,485,976.83 × 11,096,205.63 - Step 4: Simplify right side
19,916,762.19x = 304,990,050,791,614.56 - Step 5: Solve for x
x = 304,990,050,791,614.56/19,916,762.19 - Step 6: Final answer
x = 15,313,234.54
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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.