Finding the Fourth Proportional to 18,237,116.14, 27,365,102.79 and 8,009,163.92
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Solution
The fourth proportional to 18,237,116.14, 27,365,102.79 and 8,009,163.92 is: 12,017,886.62
Step by Step Solution
- Step 1: Write the proportion equation
18,237,116.14 : 27,365,102.79 = 8,009,163.92 : x - Step 2: Convert to fraction form
18,237,116.14/27,365,102.79 = 8,009,163.92/x - Step 3: Cross multiply
18,237,116.14x = 27,365,102.79 × 8,009,163.92 - Step 4: Simplify right side
18,237,116.14x = 219,171,593,932,759.31 - Step 5: Solve for x
x = 219,171,593,932,759.31/18,237,116.14 - Step 6: Final answer
x = 12,017,886.62
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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.