Finding the Fourth Proportional to 11,229,648.13, 15,496,961.12 and 6,073,009.68
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Solution
The fourth proportional to 11,229,648.13, 15,496,961.12 and 6,073,009.68 is: 8,380,778.61
Step by Step Solution
- Step 1: Write the proportion equation
11,229,648.13 : 15,496,961.12 = 6,073,009.68 : x - Step 2: Convert to fraction form
11,229,648.13/15,496,961.12 = 6,073,009.68/x - Step 3: Cross multiply
11,229,648.13x = 15,496,961.12 × 6,073,009.68 - Step 4: Simplify right side
11,229,648.13x = 94,113,194,892,343.62 - Step 5: Solve for x
x = 94,113,194,892,343.62/11,229,648.13 - Step 6: Final answer
x = 8,380,778.61
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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.