Finding the Fourth Proportional to 7,031,175.49, 10,534,709.21 and 4,721,338.99
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Solution
The fourth proportional to 7,031,175.49, 10,534,709.21 and 4,721,338.99 is: 7,073,914.37
Step by Step Solution
- Step 1: Write the proportion equation
7,031,175.49 : 10,534,709.21 = 4,721,338.99 : x - Step 2: Convert to fraction form
7,031,175.49/10,534,709.21 = 4,721,338.99/x - Step 3: Cross multiply
7,031,175.49x = 10,534,709.21 × 4,721,338.99 - Step 4: Simplify right side
7,031,175.49x = 49,737,933,311,620.88 - Step 5: Solve for x
x = 49,737,933,311,620.88/7,031,175.49 - Step 6: Final answer
x = 7,073,914.37
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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.