Finding the Fourth Proportional to 15,364,512, 21,203,876.76 and 8,488,846.32
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Solution
The fourth proportional to 15,364,512, 21,203,876.76 and 8,488,846.32 is: 11,715,077.65
Step by Step Solution
- Step 1: Write the proportion equation
15,364,512 : 21,203,876.76 = 8,488,846.32 : x - Step 2: Convert to fraction form
15,364,512/21,203,876.76 = 8,488,846.32/x - Step 3: Cross multiply
15,364,512x = 21,203,876.76 × 8,488,846.32 - Step 4: Simplify right side
15,364,512x = 179,996,451,203,859.53 - Step 5: Solve for x
x = 179,996,451,203,859.53/15,364,512 - Step 6: Final answer
x = 11,715,077.65
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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.