Finding the Fourth Proportional to 10,347,716.70, 15,521,575.05 and 10,248,183.90
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Solution
The fourth proportional to 10,347,716.70, 15,521,575.05 and 10,248,183.90 is: 15,372,275.85
Step by Step Solution
- Step 1: Write the proportion equation
10,347,716.70 : 15,521,575.05 = 10,248,183.90 : x - Step 2: Convert to fraction form
10,347,716.70/15,521,575.05 = 10,248,183.90/x - Step 3: Cross multiply
10,347,716.70x = 15,521,575.05 × 10,248,183.90 - Step 4: Simplify right side
10,347,716.70x = 159,067,955,530,051.72 - Step 5: Solve for x
x = 159,067,955,530,051.72/10,347,716.70 - Step 6: Final answer
x = 15,372,275.85
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1.5x scale
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.