Finding the Fourth Proportional to 11,156,181.18, 15,395,530.17 and 6,261,403.28
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Solution
The fourth proportional to 11,156,181.18, 15,395,530.17 and 6,261,403.28 is: 8,640,736.60
Step by Step Solution
- Step 1: Write the proportion equation
11,156,181.18 : 15,395,530.17 = 6,261,403.28 : x - Step 2: Convert to fraction form
11,156,181.18/15,395,530.17 = 6,261,403.28/x - Step 3: Cross multiply
11,156,181.18x = 15,395,530.17 × 6,261,403.28 - Step 4: Simplify right side
11,156,181.18x = 96,397,623,050,279.58 - Step 5: Solve for x
x = 96,397,623,050,279.58/11,156,181.18 - Step 6: Final answer
x = 8,640,736.60
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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.