Finding the Fourth Proportional to 7,777,539.24, 10,737,039.68 and 5,682,031.58
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Solution
The fourth proportional to 7,777,539.24, 10,737,039.68 and 5,682,031.58 is: 7,844,151.81
Step by Step Solution
- Step 1: Write the proportion equation
7,777,539.24 : 10,737,039.68 = 5,682,031.58 : x - Step 2: Convert to fraction form
7,777,539.24/10,737,039.68 = 5,682,031.58/x - Step 3: Cross multiply
7,777,539.24x = 10,737,039.68 × 5,682,031.58 - Step 4: Simplify right side
7,777,539.24x = 61,008,198,537,473.09 - Step 5: Solve for x
x = 61,008,198,537,473.09/7,777,539.24 - Step 6: Final answer
x = 7,844,151.81
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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.