Finding the Fourth Proportional to 11,078,966.82, 16,647,676.08 and 5,965,177.62
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Solution
The fourth proportional to 11,078,966.82, 16,647,676.08 and 5,965,177.62 is: 8,963,502.32
Step by Step Solution
- Step 1: Write the proportion equation
11,078,966.82 : 16,647,676.08 = 5,965,177.62 : x - Step 2: Convert to fraction form
11,078,966.82/16,647,676.08 = 5,965,177.62/x - Step 3: Cross multiply
11,078,966.82x = 16,647,676.08 × 5,965,177.62 - Step 4: Simplify right side
11,078,966.82x = 99,306,344,777,425.33 - Step 5: Solve for x
x = 99,306,344,777,425.33/11,078,966.82 - Step 6: Final answer
x = 8,963,502.32
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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.