Finding the Fourth Proportional to 8,700,578.24, 13,050,872.83 and 3,307,982.99
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Solution
The fourth proportional to 8,700,578.24, 13,050,872.83 and 3,307,982.99 is: 4,961,976.56
Step by Step Solution
- Step 1: Write the proportion equation
8,700,578.24 : 13,050,872.83 = 3,307,982.99 : x - Step 2: Convert to fraction form
8,700,578.24/13,050,872.83 = 3,307,982.99/x - Step 3: Cross multiply
8,700,578.24x = 13,050,872.83 × 3,307,982.99 - Step 4: Simplify right side
8,700,578.24x = 43,172,065,326,293.16 - Step 5: Solve for x
x = 43,172,065,326,293.16/8,700,578.24 - Step 6: Final answer
x = 4,961,976.56
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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.