Finding the Fourth Proportional to 10,863,316.09, 14,991,135.15 and 5,901,629.24
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Solution
The fourth proportional to 10,863,316.09, 14,991,135.15 and 5,901,629.24 is: 8,144,117.40
Step by Step Solution
- Step 1: Write the proportion equation
10,863,316.09 : 14,991,135.15 = 5,901,629.24 : x - Step 2: Convert to fraction form
10,863,316.09/14,991,135.15 = 5,901,629.24/x - Step 3: Cross multiply
10,863,316.09x = 14,991,135.15 × 5,901,629.24 - Step 4: Simplify right side
10,863,316.09x = 88,472,121,542,031.80 - Step 5: Solve for x
x = 88,472,121,542,031.80/10,863,316.09 - Step 6: Final answer
x = 8,144,117.40
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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.