Finding the Fourth Proportional to 12,115,372.12, 16,719,320.32 and 6,608,771.44
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Solution
The fourth proportional to 12,115,372.12, 16,719,320.32 and 6,608,771.44 is: 9,120,162.84
Step by Step Solution
- Step 1: Write the proportion equation
12,115,372.12 : 16,719,320.32 = 6,608,771.44 : x - Step 2: Convert to fraction form
12,115,372.12/16,719,320.32 = 6,608,771.44/x - Step 3: Cross multiply
12,115,372.12x = 16,719,320.32 × 6,608,771.44 - Step 4: Simplify right side
12,115,372.12x = 110,494,166,627,027.67 - Step 5: Solve for x
x = 110,494,166,627,027.67/12,115,372.12 - Step 6: Final answer
x = 9,120,162.84
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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.