Finding the Fourth Proportional to 20,918,950.92, 31,380,230.66 and 5,772,882.42
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Solution
The fourth proportional to 20,918,950.92, 31,380,230.66 and 5,772,882.42 is: 8,659,821.55
Step by Step Solution
- Step 1: Write the proportion equation
20,918,950.92 : 31,380,230.66 = 5,772,882.42 : x - Step 2: Convert to fraction form
20,918,950.92/31,380,230.66 = 5,772,882.42/x - Step 3: Cross multiply
20,918,950.92x = 31,380,230.66 × 5,772,882.42 - Step 4: Simplify right side
20,918,950.92x = 181,154,381,883,794.59 - Step 5: Solve for x
x = 181,154,381,883,794.59/20,918,950.92 - Step 6: Final answer
x = 8,659,821.55
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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.