Finding the Fourth Proportional to 15,120,716.18, 22,649,581.46 and 15,120,716.18
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Solution
The fourth proportional to 15,120,716.18, 22,649,581.46 and 15,120,716.18 is: 22,649,581.46
Step by Step Solution
- Step 1: Write the proportion equation
15,120,716.18 : 22,649,581.46 = 15,120,716.18 : x - Step 2: Convert to fraction form
15,120,716.18/22,649,581.46 = 15,120,716.18/x - Step 3: Cross multiply
15,120,716.18x = 22,649,581.46 × 15,120,716.18 - Step 4: Simplify right side
15,120,716.18x = 342,477,892,663,598.50 - Step 5: Solve for x
x = 342,477,892,663,598.50/15,120,716.18 - Step 6: Final answer
x = 22,649,581.46
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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.