Finding the Fourth Proportional to 10,284,957.92, 14,194,687.77 and 6,365,971.07
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Solution
The fourth proportional to 10,284,957.92, 14,194,687.77 and 6,365,971.07 is: 8,785,934.99
Step by Step Solution
- Step 1: Write the proportion equation
10,284,957.92 : 14,194,687.77 = 6,365,971.07 : x - Step 2: Convert to fraction form
10,284,957.92/14,194,687.77 = 6,365,971.07/x - Step 3: Cross multiply
10,284,957.92x = 14,194,687.77 × 6,365,971.07 - Step 4: Simplify right side
10,284,957.92x = 90,362,971,691,502.81 - Step 5: Solve for x
x = 90,362,971,691,502.81/10,284,957.92 - Step 6: Final answer
x = 8,785,934.99
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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.