Finding the Fourth Proportional to 11,511,763.86, 15,885,817.66 and 6,355,014.68
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Solution
The fourth proportional to 11,511,763.86, 15,885,817.66 and 6,355,014.68 is: 8,769,690.35
Step by Step Solution
- Step 1: Write the proportion equation
11,511,763.86 : 15,885,817.66 = 6,355,014.68 : x - Step 2: Convert to fraction form
11,511,763.86/15,885,817.66 = 6,355,014.68/x - Step 3: Cross multiply
11,511,763.86x = 15,885,817.66 × 6,355,014.68 - Step 4: Simplify right side
11,511,763.86x = 100,954,604,433,103.25 - Step 5: Solve for x
x = 100,954,604,433,103.25/11,511,763.86 - Step 6: Final answer
x = 8,769,690.35
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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.