Finding the Fourth Proportional to 27,216,113.70, 40,824,170.55 and 8,045,163.30
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Solution
The fourth proportional to 27,216,113.70, 40,824,170.55 and 8,045,163.30 is: 12,067,744.95
Step by Step Solution
- Step 1: Write the proportion equation
27,216,113.70 : 40,824,170.55 = 8,045,163.30 : x - Step 2: Convert to fraction form
27,216,113.70/40,824,170.55 = 8,045,163.30/x - Step 3: Cross multiply
27,216,113.70x = 40,824,170.55 × 8,045,163.30 - Step 4: Simplify right side
27,216,113.70x = 328,437,118,661,800.81 - Step 5: Solve for x
x = 328,437,118,661,800.81/27,216,113.70 - Step 6: Final answer
x = 12,067,744.95
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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.