Finding the Fourth Proportional to 11,548,242.20, 15,940,125.60 and 6,656,733.74
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Solution
The fourth proportional to 11,548,242.20, 15,940,125.60 and 6,656,733.74 is: 9,188,339.67
Step by Step Solution
- Step 1: Write the proportion equation
11,548,242.20 : 15,940,125.60 = 6,656,733.74 : x - Step 2: Convert to fraction form
11,548,242.20/15,940,125.60 = 6,656,733.74/x - Step 3: Cross multiply
11,548,242.20x = 15,940,125.60 × 6,656,733.74 - Step 4: Simplify right side
11,548,242.20x = 106,109,171,901,357.75 - Step 5: Solve for x
x = 106,109,171,901,357.75/11,548,242.20 - Step 6: Final answer
x = 9,188,339.67
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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.