Finding the Fourth Proportional to 7,106,220.45, 10,659,330.68 and 6,362,203.05
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Solution
The fourth proportional to 7,106,220.45, 10,659,330.68 and 6,362,203.05 is: 9,543,304.58
Step by Step Solution
- Step 1: Write the proportion equation
7,106,220.45 : 10,659,330.68 = 6,362,203.05 : x - Step 2: Convert to fraction form
7,106,220.45/10,659,330.68 = 6,362,203.05/x - Step 3: Cross multiply
7,106,220.45x = 10,659,330.68 × 6,362,203.05 - Step 4: Simplify right side
7,106,220.45x = 67,816,826,131,443.56 - Step 5: Solve for x
x = 67,816,826,131,443.56/7,106,220.45 - Step 6: Final answer
x = 9,543,304.58
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Double scale
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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.