Finding the Fourth Proportional to 18,444,949.20, 27,643,804.20 and 14,163,896.70
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Solution
The fourth proportional to 18,444,949.20, 27,643,804.20 and 14,163,896.70 is: 21,227,707.53
Step by Step Solution
- Step 1: Write the proportion equation
18,444,949.20 : 27,643,804.20 = 14,163,896.70 : x - Step 2: Convert to fraction form
18,444,949.20/27,643,804.20 = 14,163,896.70/x - Step 3: Cross multiply
18,444,949.20x = 27,643,804.20 × 14,163,896.70 - Step 4: Simplify right side
18,444,949.20x = 391,543,987,083,826.12 - Step 5: Solve for x
x = 391,543,987,083,826.12/18,444,949.20 - Step 6: Final answer
x = 21,227,707.53
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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.