Finding the Fourth Proportional to 34,790,808.70, 52,186,213.05 and 18,865,560.70
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Solution
The fourth proportional to 34,790,808.70, 52,186,213.05 and 18,865,560.70 is: 28,298,341.05
Step by Step Solution
- Step 1: Write the proportion equation
34,790,808.70 : 52,186,213.05 = 18,865,560.70 : x - Step 2: Convert to fraction form
34,790,808.70/52,186,213.05 = 18,865,560.70/x - Step 3: Cross multiply
34,790,808.70x = 52,186,213.05 × 18,865,560.70 - Step 4: Simplify right side
34,790,808.70x = 984,522,169,997,907 - Step 5: Solve for x
x = 984,522,169,997,907/34,790,808.70 - Step 6: Final answer
x = 28,298,341.05
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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.