Finding the Fourth Proportional to 10,672,439.13, 14,727,898.44 and 5,777,625.60
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Solution
The fourth proportional to 10,672,439.13, 14,727,898.44 and 5,777,625.60 is: 7,973,086.75
Step by Step Solution
- Step 1: Write the proportion equation
10,672,439.13 : 14,727,898.44 = 5,777,625.60 : x - Step 2: Convert to fraction form
10,672,439.13/14,727,898.44 = 5,777,625.60/x - Step 3: Cross multiply
10,672,439.13x = 14,727,898.44 × 5,777,625.60 - Step 4: Simplify right side
10,672,439.13x = 85,092,283,061,144.06 - Step 5: Solve for x
x = 85,092,283,061,144.06/10,672,439.13 - Step 6: Final answer
x = 7,973,086.75
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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.