Finding the Fourth Proportional to 8,156,770.98, 11,256,119.49 and 4,485,687.51
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Solution
The fourth proportional to 8,156,770.98, 11,256,119.49 and 4,485,687.51 is: 6,190,125.32
Step by Step Solution
- Step 1: Write the proportion equation
8,156,770.98 : 11,256,119.49 = 4,485,687.51 : x - Step 2: Convert to fraction form
8,156,770.98/11,256,119.49 = 4,485,687.51/x - Step 3: Cross multiply
8,156,770.98x = 11,256,119.49 × 4,485,687.51 - Step 4: Simplify right side
8,156,770.98x = 50,491,434,577,844.68 - Step 5: Solve for x
x = 50,491,434,577,844.68/8,156,770.98 - Step 6: Final answer
x = 6,190,125.32
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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.