Finding the Fourth Proportional to 7,496,696.79, 11,245,045.23 and 1,816,921.08
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Solution
The fourth proportional to 7,496,696.79, 11,245,045.23 and 1,816,921.08 is: 2,725,381.63
Step by Step Solution
- Step 1: Write the proportion equation
7,496,696.79 : 11,245,045.23 = 1,816,921.08 : x - Step 2: Convert to fraction form
7,496,696.79/11,245,045.23 = 1,816,921.08/x - Step 3: Cross multiply
7,496,696.79x = 11,245,045.23 × 1,816,921.08 - Step 4: Simplify right side
7,496,696.79x = 20,431,359,723,940.45 - Step 5: Solve for x
x = 20,431,359,723,940.45/7,496,696.79 - Step 6: Final answer
x = 2,725,381.63
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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.