Finding the Fourth Proportional to 13,923,593.88, 19,215,775.44 and 8,124,243.99
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Solution
The fourth proportional to 13,923,593.88, 19,215,775.44 and 8,124,243.99 is: 11,212,166.16
Step by Step Solution
- Step 1: Write the proportion equation
13,923,593.88 : 19,215,775.44 = 8,124,243.99 : x - Step 2: Convert to fraction form
13,923,593.88/19,215,775.44 = 8,124,243.99/x - Step 3: Cross multiply
13,923,593.88x = 19,215,775.44 × 8,124,243.99 - Step 4: Simplify right side
13,923,593.88x = 156,113,648,131,609.62 - Step 5: Solve for x
x = 156,113,648,131,609.62/13,923,593.88 - Step 6: Final answer
x = 11,212,166.16
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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.