Finding the Fourth Proportional to 14,234,185.80, 19,643,269.97 and 7,707,815.84
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Solution
The fourth proportional to 14,234,185.80, 19,643,269.97 and 7,707,815.84 is: 10,636,836.53
Step by Step Solution
- Step 1: Write the proportion equation
14,234,185.80 : 19,643,269.97 = 7,707,815.84 : x - Step 2: Convert to fraction form
14,234,185.80/19,643,269.97 = 7,707,815.84/x - Step 3: Cross multiply
14,234,185.80x = 19,643,269.97 × 7,707,815.84 - Step 4: Simplify right side
14,234,185.80x = 151,406,707,492,540.03 - Step 5: Solve for x
x = 151,406,707,492,540.03/14,234,185.80 - Step 6: Final answer
x = 10,636,836.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.