Finding the Fourth Proportional to 8,194,555.12, 12,287,898.60 and 3,873,005.68
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Solution
The fourth proportional to 8,194,555.12, 12,287,898.60 and 3,873,005.68 is: 5,807,649.15
Step by Step Solution
- Step 1: Write the proportion equation
8,194,555.12 : 12,287,898.60 = 3,873,005.68 : x - Step 2: Convert to fraction form
8,194,555.12/12,287,898.60 = 3,873,005.68/x - Step 3: Cross multiply
8,194,555.12x = 12,287,898.60 × 3,873,005.68 - Step 4: Simplify right side
8,194,555.12x = 47,591,101,073,064.05 - Step 5: Solve for x
x = 47,591,101,073,064.05/8,194,555.12 - Step 6: Final answer
x = 5,807,649.15
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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.