Finding the Fourth Proportional to 34,067,730.58, 47,013,659.14 and 19,383,396.55
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Solution
The fourth proportional to 34,067,730.58, 47,013,659.14 and 19,383,396.55 is: 26,749,195.88
Step by Step Solution
- Step 1: Write the proportion equation
34,067,730.58 : 47,013,659.14 = 19,383,396.55 : x - Step 2: Convert to fraction form
34,067,730.58/47,013,659.14 = 19,383,396.55/x - Step 3: Cross multiply
34,067,730.58x = 47,013,659.14 × 19,383,396.55 - Step 4: Simplify right side
34,067,730.58x = 911,284,398,377,152 - Step 5: Solve for x
x = 911,284,398,377,152/34,067,730.58 - Step 6: Final answer
x = 26,749,195.88
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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.