Finding the Fourth Proportional to 10,355,382.57, 14,284,502.33 and 6,481,177.68
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Solution
The fourth proportional to 10,355,382.57, 14,284,502.33 and 6,481,177.68 is: 8,940,316.50
Step by Step Solution
- Step 1: Write the proportion equation
10,355,382.57 : 14,284,502.33 = 6,481,177.68 : x - Step 2: Convert to fraction form
10,355,382.57/14,284,502.33 = 6,481,177.68/x - Step 3: Cross multiply
10,355,382.57x = 14,284,502.33 × 6,481,177.68 - Step 4: Simplify right side
10,355,382.57x = 92,580,397,638,698.09 - Step 5: Solve for x
x = 92,580,397,638,698.09/10,355,382.57 - Step 6: Final answer
x = 8,940,316.50
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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.