Finding the Fourth Proportional to 7,496,720.70, 11,245,081.05 and 1,816,945.02
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Solution
The fourth proportional to 7,496,720.70, 11,245,081.05 and 1,816,945.02 is: 2,725,417.53
Step by Step Solution
- Step 1: Write the proportion equation
7,496,720.70 : 11,245,081.05 = 1,816,945.02 : x - Step 2: Convert to fraction form
7,496,720.70/11,245,081.05 = 1,816,945.02/x - Step 3: Cross multiply
7,496,720.70x = 11,245,081.05 × 1,816,945.02 - Step 4: Simplify right side
7,496,720.70x = 20,431,694,013,293.87 - Step 5: Solve for x
x = 20,431,694,013,293.87/7,496,720.70 - Step 6: Final answer
x = 2,725,417.53
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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.