Finding the Fourth Proportional to 11,878,872.66, 16,392,843.99 and 6,446,364.66
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Solution
The fourth proportional to 11,878,872.66, 16,392,843.99 and 6,446,364.66 is: 8,895,983.08
Step by Step Solution
- Step 1: Write the proportion equation
11,878,872.66 : 16,392,843.99 = 6,446,364.66 : x - Step 2: Convert to fraction form
11,878,872.66/16,392,843.99 = 6,446,364.66/x - Step 3: Cross multiply
11,878,872.66x = 16,392,843.99 × 6,446,364.66 - Step 4: Simplify right side
11,878,872.66x = 105,674,250,174,029.39 - Step 5: Solve for x
x = 105,674,250,174,029.39/11,878,872.66 - Step 6: Final answer
x = 8,895,983.08
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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.