Finding the Fourth Proportional to 19,579,404.80, 29,369,107.20 and 16,682,067.20
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Solution
The fourth proportional to 19,579,404.80, 29,369,107.20 and 16,682,067.20 is: 25,023,100.80
Step by Step Solution
- Step 1: Write the proportion equation
19,579,404.80 : 29,369,107.20 = 16,682,067.20 : x - Step 2: Convert to fraction form
19,579,404.80/29,369,107.20 = 16,682,067.20/x - Step 3: Cross multiply
19,579,404.80x = 29,369,107.20 × 16,682,067.20 - Step 4: Simplify right side
19,579,404.80x = 489,937,419,914,403.81 - Step 5: Solve for x
x = 489,937,419,914,403.81/19,579,404.80 - Step 6: Final answer
x = 25,023,100.80
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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.