Finding the Fourth Proportional to 36,419,619.92, 54,668,319.17 and 15,680,328.65
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Solution
The fourth proportional to 36,419,619.92, 54,668,319.17 and 15,680,328.65 is: 23,537,236.61
Step by Step Solution
- Step 1: Write the proportion equation
36,419,619.92 : 54,668,319.17 = 15,680,328.65 : x - Step 2: Convert to fraction form
36,419,619.92/54,668,319.17 = 15,680,328.65/x - Step 3: Cross multiply
36,419,619.92x = 54,668,319.17 × 15,680,328.65 - Step 4: Simplify right side
36,419,619.92x = 857,217,211,123,955 - Step 5: Solve for x
x = 857,217,211,123,955/36,419,619.92 - Step 6: Final answer
x = 23,537,236.61
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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.