Finding the Fourth Proportional to 7,463,885.76, 10,296,211.92 and 5,136,738.09
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Solution
The fourth proportional to 7,463,885.76, 10,296,211.92 and 5,136,738.09 is: 7,085,979.83
Step by Step Solution
- Step 1: Write the proportion equation
7,463,885.76 : 10,296,211.92 = 5,136,738.09 : x - Step 2: Convert to fraction form
7,463,885.76/10,296,211.92 = 5,136,738.09/x - Step 3: Cross multiply
7,463,885.76x = 10,296,211.92 × 5,136,738.09 - Step 4: Simplify right side
7,463,885.76x = 52,888,943,952,176.03 - Step 5: Solve for x
x = 52,888,943,952,176.03/7,463,885.76 - Step 6: Final answer
x = 7,085,979.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.