Finding the Fourth Proportional to 26,084,163.80, 39,110,693.70 and 15,994,026.20
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Solution
The fourth proportional to 26,084,163.80, 39,110,693.70 and 15,994,026.20 is: 23,981,503.28
Step by Step Solution
- Step 1: Write the proportion equation
26,084,163.80 : 39,110,693.70 = 15,994,026.20 : x - Step 2: Convert to fraction form
26,084,163.80/39,110,693.70 = 15,994,026.20/x - Step 3: Cross multiply
26,084,163.80x = 39,110,693.70 × 15,994,026.20 - Step 4: Simplify right side
26,084,163.80x = 625,537,459,737,975 - Step 5: Solve for x
x = 625,537,459,737,975/26,084,163.80 - Step 6: Final answer
x = 23,981,503.28
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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.