Finding the Fourth Proportional to 14,958,398.84, 20,642,589.97 and 8,082,880.70
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Solution
The fourth proportional to 14,958,398.84, 20,642,589.97 and 8,082,880.70 is: 11,154,375.13
Step by Step Solution
- Step 1: Write the proportion equation
14,958,398.84 : 20,642,589.97 = 8,082,880.70 : x - Step 2: Convert to fraction form
14,958,398.84/20,642,589.97 = 8,082,880.70/x - Step 3: Cross multiply
14,958,398.84x = 20,642,589.97 × 8,082,880.70 - Step 4: Simplify right side
14,958,398.84x = 166,851,591,943,106.44 - Step 5: Solve for x
x = 166,851,591,943,106.44/14,958,398.84 - Step 6: Final answer
x = 11,154,375.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.