Finding the Fourth Proportional to 10,672,108.62, 14,727,506.79 and 5,777,327.09
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Solution
The fourth proportional to 10,672,108.62, 14,727,506.79 and 5,777,327.09 is: 7,972,709.70
Step by Step Solution
- Step 1: Write the proportion equation
10,672,108.62 : 14,727,506.79 = 5,777,327.09 : x - Step 2: Convert to fraction form
10,672,108.62/14,727,506.79 = 5,777,327.09/x - Step 3: Cross multiply
10,672,108.62x = 14,727,506.79 × 5,777,327.09 - Step 4: Simplify right side
10,672,108.62x = 85,085,623,872,388.41 - Step 5: Solve for x
x = 85,085,623,872,388.41/10,672,108.62 - Step 6: Final answer
x = 7,972,709.70
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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.