Finding the Fourth Proportional to 19,813,198.72, 27,342,440.02 and 10,992,812.80
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Solution
The fourth proportional to 19,813,198.72, 27,342,440.02 and 10,992,812.80 is: 15,170,206.94
Step by Step Solution
- Step 1: Write the proportion equation
19,813,198.72 : 27,342,440.02 = 10,992,812.80 : x - Step 2: Convert to fraction form
19,813,198.72/27,342,440.02 = 10,992,812.80/x - Step 3: Cross multiply
19,813,198.72x = 27,342,440.02 × 10,992,812.80 - Step 4: Simplify right side
19,813,198.72x = 300,570,324,635,088.25 - Step 5: Solve for x
x = 300,570,324,635,088.25/19,813,198.72 - Step 6: Final answer
x = 15,170,206.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.