Finding the Fourth Proportional to 18,752,290.74, 28,129,524.72 and 7,237,821.99
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Solution
The fourth proportional to 18,752,290.74, 28,129,524.72 and 7,237,821.99 is: 10,857,153.16
Step by Step Solution
- Step 1: Write the proportion equation
18,752,290.74 : 28,129,524.72 = 7,237,821.99 : x - Step 2: Convert to fraction form
18,752,290.74/28,129,524.72 = 7,237,821.99/x - Step 3: Cross multiply
18,752,290.74x = 28,129,524.72 × 7,237,821.99 - Step 4: Simplify right side
18,752,290.74x = 203,596,492,586,664.59 - Step 5: Solve for x
x = 203,596,492,586,664.59/18,752,290.74 - Step 6: Final answer
x = 10,857,153.16
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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.