Finding the Fourth Proportional to 8,517,169.80, 11,753,872.20 and 4,649,853.96
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Solution
The fourth proportional to 8,517,169.80, 11,753,872.20 and 4,649,853.96 is: 6,416,895.57
Step by Step Solution
- Step 1: Write the proportion equation
8,517,169.80 : 11,753,872.20 = 4,649,853.96 : x - Step 2: Convert to fraction form
8,517,169.80/11,753,872.20 = 4,649,853.96/x - Step 3: Cross multiply
8,517,169.80x = 11,753,872.20 × 4,649,853.96 - Step 4: Simplify right side
8,517,169.80x = 54,653,789,194,503.91 - Step 5: Solve for x
x = 54,653,789,194,503.91/8,517,169.80 - Step 6: Final answer
x = 6,416,895.57
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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.