Finding the Fourth Proportional to 34,957,528.78, 48,241,596.41 and 20,281,933.19
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Solution
The fourth proportional to 34,957,528.78, 48,241,596.41 and 20,281,933.19 is: 27,989,187.72
Step by Step Solution
- Step 1: Write the proportion equation
34,957,528.78 : 48,241,596.41 = 20,281,933.19 : x - Step 2: Convert to fraction form
34,957,528.78/48,241,596.41 = 20,281,933.19/x - Step 3: Cross multiply
34,957,528.78x = 48,241,596.41 × 20,281,933.19 - Step 4: Simplify right side
34,957,528.78x = 978,432,835,304,542.38 - Step 5: Solve for x
x = 978,432,835,304,542.38/34,957,528.78 - Step 6: Final answer
x = 27,989,187.72
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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.