Finding the Fourth Proportional to 15,279,535.46, 21,086,157.84 and 8,404,197.95
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Solution
The fourth proportional to 15,279,535.46, 21,086,157.84 and 8,404,197.95 is: 11,598,012.58
Step by Step Solution
- Step 1: Write the proportion equation
15,279,535.46 : 21,086,157.84 = 8,404,197.95 : x - Step 2: Convert to fraction form
15,279,535.46/21,086,157.84 = 8,404,197.95/x - Step 3: Cross multiply
15,279,535.46x = 21,086,157.84 × 8,404,197.95 - Step 4: Simplify right side
15,279,535.46x = 177,212,244,386,873.66 - Step 5: Solve for x
x = 177,212,244,386,873.66/15,279,535.46 - Step 6: Final answer
x = 11,598,012.58
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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.