Finding the Fourth Proportional to 19,631,727.62, 29,420,028.02 and 15,514,949.01
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Solution
The fourth proportional to 19,631,727.62, 29,420,028.02 and 15,514,949.01 is: 23,250,640.16
Step by Step Solution
- Step 1: Write the proportion equation
19,631,727.62 : 29,420,028.02 = 15,514,949.01 : x - Step 2: Convert to fraction form
19,631,727.62/29,420,028.02 = 15,514,949.01/x - Step 3: Cross multiply
19,631,727.62x = 29,420,028.02 × 15,514,949.01 - Step 4: Simplify right side
19,631,727.62x = 456,450,234,752,183.75 - Step 5: Solve for x
x = 456,450,234,752,183.75/19,631,727.62 - Step 6: Final answer
x = 23,250,640.16
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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.