Finding the Fourth Proportional to 29,134,859.40, 43,708,121.10 and 8,664,539.40
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Solution
The fourth proportional to 29,134,859.40, 43,708,121.10 and 8,664,539.40 is: 12,998,543.50
Step by Step Solution
- Step 1: Write the proportion equation
29,134,859.40 : 43,708,121.10 = 8,664,539.40 : x - Step 2: Convert to fraction form
29,134,859.40/43,708,121.10 = 8,664,539.40/x - Step 3: Cross multiply
29,134,859.40x = 43,708,121.10 × 8,664,539.40 - Step 4: Simplify right side
29,134,859.40x = 378,710,737,370,921.38 - Step 5: Solve for x
x = 378,710,737,370,921.38/29,134,859.40 - Step 6: Final answer
x = 12,998,543.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.