Finding the Fourth Proportional to 8,414,128.77, 11,611,497.21 and 4,546,649.82
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Solution
The fourth proportional to 8,414,128.77, 11,611,497.21 and 4,546,649.82 is: 6,274,376.49
Step by Step Solution
- Step 1: Write the proportion equation
8,414,128.77 : 11,611,497.21 = 4,546,649.82 : x - Step 2: Convert to fraction form
8,414,128.77/11,611,497.21 = 4,546,649.82/x - Step 3: Cross multiply
8,414,128.77x = 11,611,497.21 × 4,546,649.82 - Step 4: Simplify right side
8,414,128.77x = 52,793,411,699,777.01 - Step 5: Solve for x
x = 52,793,411,699,777.01/8,414,128.77 - Step 6: Final answer
x = 6,274,376.49
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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.