Finding the Fourth Proportional to 8,556,276.68, 12,825,778.80 and 5,363,644.94
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Solution
The fourth proportional to 8,556,276.68, 12,825,778.80 and 5,363,644.94 is: 8,040,053.65
Step by Step Solution
- Step 1: Write the proportion equation
8,556,276.68 : 12,825,778.80 = 5,363,644.94 : x - Step 2: Convert to fraction form
8,556,276.68/12,825,778.80 = 5,363,644.94/x - Step 3: Cross multiply
8,556,276.68x = 12,825,778.80 × 5,363,644.94 - Step 4: Simplify right side
8,556,276.68x = 68,792,923,562,179.28 - Step 5: Solve for x
x = 68,792,923,562,179.28/8,556,276.68 - Step 6: Final answer
x = 8,040,053.65
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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.