Finding the Fourth Proportional to 11,772,306.45, 16,245,971.84 and 6,474,210.80
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Solution
The fourth proportional to 11,772,306.45, 16,245,971.84 and 6,474,210.80 is: 8,934,514.80
Step by Step Solution
- Step 1: Write the proportion equation
11,772,306.45 : 16,245,971.84 = 6,474,210.80 : x - Step 2: Convert to fraction form
11,772,306.45/16,245,971.84 = 6,474,210.80/x - Step 3: Cross multiply
11,772,306.45x = 16,245,971.84 × 6,474,210.80 - Step 4: Simplify right side
11,772,306.45x = 105,179,846,229,422.97 - Step 5: Solve for x
x = 105,179,846,229,422.97/11,772,306.45 - Step 6: Final answer
x = 8,934,514.80
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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.