Finding the Fourth Proportional to 7,227,523.79, 10,819,985.64 and 6,330,717.10
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Solution
The fourth proportional to 7,227,523.79, 10,819,985.64 and 6,330,717.10 is: 9,477,418.56
Step by Step Solution
- Step 1: Write the proportion equation
7,227,523.79 : 10,819,985.64 = 6,330,717.10 : x - Step 2: Convert to fraction form
7,227,523.79/10,819,985.64 = 6,330,717.10/x - Step 3: Cross multiply
7,227,523.79x = 10,819,985.64 × 6,330,717.10 - Step 4: Simplify right side
7,227,523.79x = 68,498,268,102,687.24 - Step 5: Solve for x
x = 68,498,268,102,687.24/7,227,523.79 - Step 6: Final answer
x = 9,477,418.56
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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.