Finding the Fourth Proportional to 12,305,623.68, 16,981,938.36 and 6,799,125.83
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Solution
The fourth proportional to 12,305,623.68, 16,981,938.36 and 6,799,125.83 is: 9,382,891.81
Step by Step Solution
- Step 1: Write the proportion equation
12,305,623.68 : 16,981,938.36 = 6,799,125.83 : x - Step 2: Convert to fraction form
12,305,623.68/16,981,938.36 = 6,799,125.83/x - Step 3: Cross multiply
12,305,623.68x = 16,981,938.36 × 6,799,125.83 - Step 4: Simplify right side
12,305,623.68x = 115,462,335,662,034.14 - Step 5: Solve for x
x = 115,462,335,662,034.14/12,305,623.68 - Step 6: Final answer
x = 9,382,891.81
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1.5x scale
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.