Finding the Fourth Proportional to 11,182,546.96, 15,433,185.23 and 6,221,479.21
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Solution
The fourth proportional to 11,182,546.96, 15,433,185.23 and 6,221,479.21 is: 8,586,348.12
Step by Step Solution
- Step 1: Write the proportion equation
11,182,546.96 : 15,433,185.23 = 6,221,479.21 : x - Step 2: Convert to fraction form
11,182,546.96/15,433,185.23 = 6,221,479.21/x - Step 3: Cross multiply
11,182,546.96x = 15,433,185.23 × 6,221,479.21 - Step 4: Simplify right side
11,182,546.96x = 96,017,241,052,524.08 - Step 5: Solve for x
x = 96,017,241,052,524.08/11,182,546.96 - Step 6: Final answer
x = 8,586,348.12
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1.5x scale
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.