Finding the Fourth Proportional to 14,452,557.12, 19,943,091.52 and 8,342,953.92
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Solution
The fourth proportional to 14,452,557.12, 19,943,091.52 and 8,342,953.92 is: 11,512,446.70
Step by Step Solution
- Step 1: Write the proportion equation
14,452,557.12 : 19,943,091.52 = 8,342,953.92 : x - Step 2: Convert to fraction form
14,452,557.12/19,943,091.52 = 8,342,953.92/x - Step 3: Cross multiply
14,452,557.12x = 19,943,091.52 × 8,342,953.92 - Step 4: Simplify right side
14,452,557.12x = 166,384,293,573,702.75 - Step 5: Solve for x
x = 166,384,293,573,702.75/14,452,557.12 - Step 6: Final answer
x = 11,512,446.70
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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.