Finding the Fourth Proportional to 7,072,193.70, 10,583,407.35 and 6,474,996.90
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Solution
The fourth proportional to 7,072,193.70, 10,583,407.35 and 6,474,996.90 is: 9,689,713.36
Step by Step Solution
- Step 1: Write the proportion equation
7,072,193.70 : 10,583,407.35 = 6,474,996.90 : x - Step 2: Convert to fraction form
7,072,193.70/10,583,407.35 = 6,474,996.90/x - Step 3: Cross multiply
7,072,193.70x = 10,583,407.35 × 6,474,996.90 - Step 4: Simplify right side
7,072,193.70x = 68,527,529,782,687.22 - Step 5: Solve for x
x = 68,527,529,782,687.22/7,072,193.70 - Step 6: Final answer
x = 9,689,713.36
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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.