Finding the Fourth Proportional to 8,869,630.70, 13,304,446.05 and 2,885,998.70
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Solution
The fourth proportional to 8,869,630.70, 13,304,446.05 and 2,885,998.70 is: 4,328,998.05
Step by Step Solution
- Step 1: Write the proportion equation
8,869,630.70 : 13,304,446.05 = 2,885,998.70 : x - Step 2: Convert to fraction form
8,869,630.70/13,304,446.05 = 2,885,998.70/x - Step 3: Cross multiply
8,869,630.70x = 13,304,446.05 × 2,885,998.70 - Step 4: Simplify right side
8,869,630.70x = 38,396,614,004,520.14 - Step 5: Solve for x
x = 38,396,614,004,520.14/8,869,630.70 - Step 6: Final answer
x = 4,328,998.05
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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.