Finding the Fourth Proportional to 18,200,337.12, 27,305,493.12 and 7,963,341.12
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Solution
The fourth proportional to 18,200,337.12, 27,305,493.12 and 7,963,341.12 is: 11,947,193.88
Step by Step Solution
- Step 1: Write the proportion equation
18,200,337.12 : 27,305,493.12 = 7,963,341.12 : x - Step 2: Convert to fraction form
18,200,337.12/27,305,493.12 = 7,963,341.12/x - Step 3: Cross multiply
18,200,337.12x = 27,305,493.12 × 7,963,341.12 - Step 4: Simplify right side
18,200,337.12x = 217,442,956,164,373.09 - Step 5: Solve for x
x = 217,442,956,164,373.09/18,200,337.12 - Step 6: Final answer
x = 11,947,193.88
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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.