Finding the Fourth Proportional to 7,786,665.55, 11,682,493.58 and 5,452,135.80
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Solution
The fourth proportional to 7,786,665.55, 11,682,493.58 and 5,452,135.80 is: 8,179,950.85
Step by Step Solution
- Step 1: Write the proportion equation
7,786,665.55 : 11,682,493.58 = 5,452,135.80 : x - Step 2: Convert to fraction form
7,786,665.55/11,682,493.58 = 5,452,135.80/x - Step 3: Cross multiply
7,786,665.55x = 11,682,493.58 × 5,452,135.80 - Step 4: Simplify right side
7,786,665.55x = 63,694,541,480,788.16 - Step 5: Solve for x
x = 63,694,541,480,788.16/7,786,665.55 - Step 6: Final answer
x = 8,179,950.85
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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.