Finding the Fourth Proportional to 16,215,860.16, 22,377,889.08 and 8,873,694.81
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Solution
The fourth proportional to 16,215,860.16, 22,377,889.08 and 8,873,694.81 is: 12,245,699.96
Step by Step Solution
- Step 1: Write the proportion equation
16,215,860.16 : 22,377,889.08 = 8,873,694.81 : x - Step 2: Convert to fraction form
16,215,860.16/22,377,889.08 = 8,873,694.81/x - Step 3: Cross multiply
16,215,860.16x = 22,377,889.08 × 8,873,694.81 - Step 4: Simplify right side
16,215,860.16x = 198,574,558,187,951.66 - Step 5: Solve for x
x = 198,574,558,187,951.66/16,215,860.16 - Step 6: Final answer
x = 12,245,699.96
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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.