Finding the Fourth Proportional to 18,386,750.40, 27,514,807.20 and 16,016,625.60
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Solution
The fourth proportional to 18,386,750.40, 27,514,807.20 and 16,016,625.60 is: 23,968,039.80
Step by Step Solution
- Step 1: Write the proportion equation
18,386,750.40 : 27,514,807.20 = 16,016,625.60 : x - Step 2: Convert to fraction form
18,386,750.40/27,514,807.20 = 16,016,625.60/x - Step 3: Cross multiply
18,386,750.40x = 27,514,807.20 × 16,016,625.60 - Step 4: Simplify right side
18,386,750.40x = 440,694,365,378,584.31 - Step 5: Solve for x
x = 440,694,365,378,584.31/18,386,750.40 - Step 6: Final answer
x = 23,968,039.80
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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.