Finding the Fourth Proportional to 12,541,135.84, 18,779,795.52 and 8,268,340.48
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Solution
The fourth proportional to 12,541,135.84, 18,779,795.52 and 8,268,340.48 is: 12,381,473.69
Step by Step Solution
- Step 1: Write the proportion equation
12,541,135.84 : 18,779,795.52 = 8,268,340.48 : x - Step 2: Convert to fraction form
12,541,135.84/18,779,795.52 = 8,268,340.48/x - Step 3: Cross multiply
12,541,135.84x = 18,779,795.52 × 8,268,340.48 - Step 4: Simplify right side
12,541,135.84x = 155,277,743,504,138.66 - Step 5: Solve for x
x = 155,277,743,504,138.66/12,541,135.84 - Step 6: Final answer
x = 12,381,473.69
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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.