Finding the Fourth Proportional to 7,073,170.10, 10,611,414.03 and 2,813,580.98
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Solution
The fourth proportional to 7,073,170.10, 10,611,414.03 and 2,813,580.98 is: 4,221,031.34
Step by Step Solution
- Step 1: Write the proportion equation
7,073,170.10 : 10,611,414.03 = 2,813,580.98 : x - Step 2: Convert to fraction form
7,073,170.10/10,611,414.03 = 2,813,580.98/x - Step 3: Cross multiply
7,073,170.10x = 10,611,414.03 × 2,813,580.98 - Step 4: Simplify right side
7,073,170.10x = 29,856,072,685,713.15 - Step 5: Solve for x
x = 29,856,072,685,713.15/7,073,170.10 - Step 6: Final answer
x = 4,221,031.34
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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.