Finding the Fourth Proportional to 19,631,728.62, 29,420,029.52 and 15,514,950.01
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Solution
The fourth proportional to 19,631,728.62, 29,420,029.52 and 15,514,950.01 is: 23,250,641.66
Step by Step Solution
- Step 1: Write the proportion equation
19,631,728.62 : 29,420,029.52 = 15,514,950.01 : x - Step 2: Convert to fraction form
19,631,728.62/29,420,029.52 = 15,514,950.01/x - Step 3: Cross multiply
19,631,728.62x = 29,420,029.52 × 15,514,950.01 - Step 4: Simplify right side
19,631,728.62x = 456,450,287,295,524.31 - Step 5: Solve for x
x = 456,450,287,295,524.31/19,631,728.62 - Step 6: Final answer
x = 23,250,641.66
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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.