Finding the Fourth Proportional to 11,034,274.12, 15,227,059.50 and 6,388,255.06
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Solution
The fourth proportional to 11,034,274.12, 15,227,059.50 and 6,388,255.06 is: 8,815,653.74
Step by Step Solution
- Step 1: Write the proportion equation
11,034,274.12 : 15,227,059.50 = 6,388,255.06 : x - Step 2: Convert to fraction form
11,034,274.12/15,227,059.50 = 6,388,255.06/x - Step 3: Cross multiply
11,034,274.12x = 15,227,059.50 × 6,388,255.06 - Step 4: Simplify right side
11,034,274.12x = 97,274,339,899,796.06 - Step 5: Solve for x
x = 97,274,339,899,796.06/11,034,274.12 - Step 6: Final answer
x = 8,815,653.74
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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.