Finding the Fourth Proportional to 19,622,577.08, 27,079,156.44 and 10,922,804.88
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Solution
The fourth proportional to 19,622,577.08, 27,079,156.44 and 10,922,804.88 is: 15,073,470.77
Step by Step Solution
- Step 1: Write the proportion equation
19,622,577.08 : 27,079,156.44 = 10,922,804.88 : x - Step 2: Convert to fraction form
19,622,577.08/27,079,156.44 = 10,922,804.88/x - Step 3: Cross multiply
19,622,577.08x = 27,079,156.44 × 10,922,804.88 - Step 4: Simplify right side
19,622,577.08x = 295,780,341,919,105.62 - Step 5: Solve for x
x = 295,780,341,919,105.62/19,622,577.08 - Step 6: Final answer
x = 15,073,470.77
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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.