Finding the Fourth Proportional to 11,498,563.80, 15,868,207.12 and 6,271,571.97
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Solution
The fourth proportional to 11,498,563.80, 15,868,207.12 and 6,271,571.97 is: 8,654,872.44
Step by Step Solution
- Step 1: Write the proportion equation
11,498,563.80 : 15,868,207.12 = 6,271,571.97 : x - Step 2: Convert to fraction form
11,498,563.80/15,868,207.12 = 6,271,571.97/x - Step 3: Cross multiply
11,498,563.80x = 15,868,207.12 × 6,271,571.97 - Step 4: Simplify right side
11,498,563.80x = 99,518,602,987,946.42 - Step 5: Solve for x
x = 99,518,602,987,946.42/11,498,563.80 - Step 6: Final answer
x = 8,654,872.44
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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.