Finding the Fourth Proportional to 16,917,713.92, 25,377,549.21 and 4,786,161.12
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Solution
The fourth proportional to 16,917,713.92, 25,377,549.21 and 4,786,161.12 is: 7,179,518.45
Step by Step Solution
- Step 1: Write the proportion equation
16,917,713.92 : 25,377,549.21 = 4,786,161.12 : x - Step 2: Convert to fraction form
16,917,713.92/25,377,549.21 = 4,786,161.12/x - Step 3: Cross multiply
16,917,713.92x = 25,377,549.21 × 4,786,161.12 - Step 4: Simplify right side
16,917,713.92x = 121,461,039,222,900.98 - Step 5: Solve for x
x = 121,461,039,222,900.98/16,917,713.92 - Step 6: Final answer
x = 7,179,518.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.