Finding the Fourth Proportional to 11,877,843.68, 16,391,788.08 and 6,982,167.68
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Solution
The fourth proportional to 11,877,843.68, 16,391,788.08 and 6,982,167.68 is: 9,635,605.25
Step by Step Solution
- Step 1: Write the proportion equation
11,877,843.68 : 16,391,788.08 = 6,982,167.68 : x - Step 2: Convert to fraction form
11,877,843.68/16,391,788.08 = 6,982,167.68/x - Step 3: Cross multiply
11,877,843.68x = 16,391,788.08 × 6,982,167.68 - Step 4: Simplify right side
11,877,843.68x = 114,450,212,949,585.25 - Step 5: Solve for x
x = 114,450,212,949,585.25/11,877,843.68 - Step 6: Final answer
x = 9,635,605.25
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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.