Finding the Fourth Proportional to 18,075,282.60, 24,934,666.68 and 11,542,042.92
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Solution
The fourth proportional to 18,075,282.60, 24,934,666.68 and 11,542,042.92 is: 15,922,129.65
Step by Step Solution
- Step 1: Write the proportion equation
18,075,282.60 : 24,934,666.68 = 11,542,042.92 : x - Step 2: Convert to fraction form
18,075,282.60/24,934,666.68 = 11,542,042.92/x - Step 3: Cross multiply
18,075,282.60x = 24,934,666.68 × 11,542,042.92 - Step 4: Simplify right side
18,075,282.60x = 287,796,993,016,453.88 - Step 5: Solve for x
x = 287,796,993,016,453.88/18,075,282.60 - Step 6: Final answer
x = 15,922,129.65
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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.