Finding the Fourth Proportional to 18,012,909.66, 27,021,025.44 and 5,882,436.68
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Solution
The fourth proportional to 18,012,909.66, 27,021,025.44 and 5,882,436.68 is: 8,824,197.43
Step by Step Solution
- Step 1: Write the proportion equation
18,012,909.66 : 27,021,025.44 = 5,882,436.68 : x - Step 2: Convert to fraction form
18,012,909.66/27,021,025.44 = 5,882,436.68/x - Step 3: Cross multiply
18,012,909.66x = 27,021,025.44 × 5,882,436.68 - Step 4: Simplify right side
18,012,909.66x = 158,949,471,044,364 - Step 5: Solve for x
x = 158,949,471,044,364/18,012,909.66 - Step 6: Final answer
x = 8,824,197.43
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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.