Finding the Fourth Proportional to 52,326,183.36, 78,489,624.96 and 18,247,396.80
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Solution
The fourth proportional to 52,326,183.36, 78,489,624.96 and 18,247,396.80 is: 27,371,217.23
Step by Step Solution
- Step 1: Write the proportion equation
52,326,183.36 : 78,489,624.96 = 18,247,396.80 : x - Step 2: Convert to fraction form
52,326,183.36/78,489,624.96 = 18,247,396.80/x - Step 3: Cross multiply
52,326,183.36x = 78,489,624.96 × 18,247,396.80 - Step 4: Simplify right side
52,326,183.36x = 1,432,231,331,328,304 - Step 5: Solve for x
x = 1,432,231,331,328,304/52,326,183.36 - Step 6: Final answer
x = 27,371,217.23
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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.