Finding the Fourth Proportional to 7,409,590.10, 11,133,047.55 and 4,715,206.10
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Solution
The fourth proportional to 7,409,590.10, 11,133,047.55 and 4,715,206.10 is: 7,084,685.25
Step by Step Solution
- Step 1: Write the proportion equation
7,409,590.10 : 11,133,047.55 = 4,715,206.10 : x - Step 2: Convert to fraction form
7,409,590.10/11,133,047.55 = 4,715,206.10/x - Step 3: Cross multiply
7,409,590.10x = 11,133,047.55 × 4,715,206.10 - Step 4: Simplify right side
7,409,590.10x = 52,494,613,719,350.05 - Step 5: Solve for x
x = 52,494,613,719,350.05/7,409,590.10 - Step 6: Final answer
x = 7,084,685.25
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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.