Finding the Fourth Proportional to 9,372,912.30, 14,059,368.45 and 8,177,170.05
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Solution
The fourth proportional to 9,372,912.30, 14,059,368.45 and 8,177,170.05 is: 12,265,755.08
Step by Step Solution
- Step 1: Write the proportion equation
9,372,912.30 : 14,059,368.45 = 8,177,170.05 : x - Step 2: Convert to fraction form
9,372,912.30/14,059,368.45 = 8,177,170.05/x - Step 3: Cross multiply
9,372,912.30x = 14,059,368.45 × 8,177,170.05 - Step 4: Simplify right side
9,372,912.30x = 114,965,846,611,254.91 - Step 5: Solve for x
x = 114,965,846,611,254.91/9,372,912.30 - Step 6: Final answer
x = 12,265,755.08
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1.5x scale
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.