Finding the Fourth Proportional to 11,921,276.60, 16,451,714.16 and 8,442,838.52
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Solution
The fourth proportional to 11,921,276.60, 16,451,714.16 and 8,442,838.52 is: 11,651,366.77
Step by Step Solution
- Step 1: Write the proportion equation
11,921,276.60 : 16,451,714.16 = 8,442,838.52 : x - Step 2: Convert to fraction form
11,921,276.60/16,451,714.16 = 8,442,838.52/x - Step 3: Cross multiply
11,921,276.60x = 16,451,714.16 × 8,442,838.52 - Step 4: Simplify right side
11,921,276.60x = 138,899,166,030,077.44 - Step 5: Solve for x
x = 138,899,166,030,077.44/11,921,276.60 - Step 6: Final answer
x = 11,651,366.77
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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.