Finding the Fourth Proportional to 18,444,850.20, 27,643,655.70 and 14,163,797.70
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Solution
The fourth proportional to 18,444,850.20, 27,643,655.70 and 14,163,797.70 is: 21,227,559.06
Step by Step Solution
- Step 1: Write the proportion equation
18,444,850.20 : 27,643,655.70 = 14,163,797.70 : x - Step 2: Convert to fraction form
18,444,850.20/27,643,655.70 = 14,163,797.70/x - Step 3: Cross multiply
18,444,850.20x = 27,643,655.70 × 14,163,797.70 - Step 4: Simplify right side
18,444,850.20x = 391,539,147,023,251.88 - Step 5: Solve for x
x = 391,539,147,023,251.88/18,444,850.20 - Step 6: Final answer
x = 21,227,559.06
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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.