Finding the Fourth Proportional to 18,448,342.80, 27,671,858.10 and 8,350,963.80
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Solution
The fourth proportional to 18,448,342.80, 27,671,858.10 and 8,350,963.80 is: 12,526,148.70
Step by Step Solution
- Step 1: Write the proportion equation
18,448,342.80 : 27,671,858.10 = 8,350,963.80 : x - Step 2: Convert to fraction form
18,448,342.80/27,671,858.10 = 8,350,963.80/x - Step 3: Cross multiply
18,448,342.80x = 27,671,858.10 × 8,350,963.80 - Step 4: Simplify right side
18,448,342.80x = 231,086,685,271,836.78 - Step 5: Solve for x
x = 231,086,685,271,836.78/18,448,342.80 - Step 6: Final answer
x = 12,526,148.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.