Finding the Fourth Proportional to 8,631,108.72, 11,910,871.35 and 4,763,629.80
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Solution
The fourth proportional to 8,631,108.72, 11,910,871.35 and 4,763,629.80 is: 6,573,776.74
Step by Step Solution
- Step 1: Write the proportion equation
8,631,108.72 : 11,910,871.35 = 4,763,629.80 : x - Step 2: Convert to fraction form
8,631,108.72/11,910,871.35 = 4,763,629.80/x - Step 3: Cross multiply
8,631,108.72x = 11,910,871.35 × 4,763,629.80 - Step 4: Simplify right side
8,631,108.72x = 56,738,981,706,826.23 - Step 5: Solve for x
x = 56,738,981,706,826.23/8,631,108.72 - Step 6: Final answer
x = 6,573,776.74
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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.