Finding the Fourth Proportional to 18,145,664.80, 27,218,497.20 and 16,019,900.80
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Solution
The fourth proportional to 18,145,664.80, 27,218,497.20 and 16,019,900.80 is: 24,029,851.20
Step by Step Solution
- Step 1: Write the proportion equation
18,145,664.80 : 27,218,497.20 = 16,019,900.80 : x - Step 2: Convert to fraction form
18,145,664.80/27,218,497.20 = 16,019,900.80/x - Step 3: Cross multiply
18,145,664.80x = 27,218,497.20 × 16,019,900.80 - Step 4: Simplify right side
18,145,664.80x = 436,037,625,069,077.75 - Step 5: Solve for x
x = 436,037,625,069,077.75/18,145,664.80 - Step 6: Final answer
x = 24,029,851.20
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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.