Finding the Fourth Proportional to 11,253,458.92, 15,529,712.34 and 6,291,899.30
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Solution
The fourth proportional to 11,253,458.92, 15,529,712.34 and 6,291,899.30 is: 8,682,786.95
Step by Step Solution
- Step 1: Write the proportion equation
11,253,458.92 : 15,529,712.34 = 6,291,899.30 : x - Step 2: Convert to fraction form
11,253,458.92/15,529,712.34 = 6,291,899.30/x - Step 3: Cross multiply
11,253,458.92x = 15,529,712.34 × 6,291,899.30 - Step 4: Simplify right side
11,253,458.92x = 97,711,386,250,184.09 - Step 5: Solve for x
x = 97,711,386,250,184.09/11,253,458.92 - Step 6: Final answer
x = 8,682,786.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.