Finding the Fourth Proportional to 14,177,979.88, 19,563,031.38 and 7,982,063.08
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Solution
The fourth proportional to 14,177,979.88, 19,563,031.38 and 7,982,063.08 is: 11,013,794.05
Step by Step Solution
- Step 1: Write the proportion equation
14,177,979.88 : 19,563,031.38 = 7,982,063.08 : x - Step 2: Convert to fraction form
14,177,979.88/19,563,031.38 = 7,982,063.08/x - Step 3: Cross multiply
14,177,979.88x = 19,563,031.38 × 7,982,063.08 - Step 4: Simplify right side
14,177,979.88x = 156,153,350,511,179.44 - Step 5: Solve for x
x = 156,153,350,511,179.44/14,177,979.88 - Step 6: Final answer
x = 11,013,794.05
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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.