Finding the Fourth Proportional to 53,195,436.84, 79,816,198.26 and 28,574,635.07
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Solution
The fourth proportional to 53,195,436.84, 79,816,198.26 and 28,574,635.07 is: 42,874,330.47
Step by Step Solution
- Step 1: Write the proportion equation
53,195,436.84 : 79,816,198.26 = 28,574,635.07 : x - Step 2: Convert to fraction form
53,195,436.84/79,816,198.26 = 28,574,635.07/x - Step 3: Cross multiply
53,195,436.84x = 79,816,198.26 × 28,574,635.07 - Step 4: Simplify right side
53,195,436.84x = 2,280,718,738,260,964.50 - Step 5: Solve for x
x = 2,280,718,738,260,964.50/53,195,436.84 - Step 6: Final answer
x = 42,874,330.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.