Finding the Fourth Proportional to 14,682,542.97, 22,001,178.99 and 7,860,021.51
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Solution
The fourth proportional to 14,682,542.97, 22,001,178.99 and 7,860,021.51 is: 11,777,914.80
Step by Step Solution
- Step 1: Write the proportion equation
14,682,542.97 : 22,001,178.99 = 7,860,021.51 : x - Step 2: Convert to fraction form
14,682,542.97/22,001,178.99 = 7,860,021.51/x - Step 3: Cross multiply
14,682,542.97x = 22,001,178.99 × 7,860,021.51 - Step 4: Simplify right side
14,682,542.97x = 172,929,740,106,760.06 - Step 5: Solve for x
x = 172,929,740,106,760.06/14,682,542.97 - Step 6: Final answer
x = 11,777,914.80
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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.