Finding the Fourth Proportional to 7,929,558.87, 11,888,520.48 and 2,535,104.67
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Solution
The fourth proportional to 7,929,558.87, 11,888,520.48 and 2,535,104.67 is: 3,800,797.03
Step by Step Solution
- Step 1: Write the proportion equation
7,929,558.87 : 11,888,520.48 = 2,535,104.67 : x - Step 2: Convert to fraction form
7,929,558.87/11,888,520.48 = 2,535,104.67/x - Step 3: Cross multiply
7,929,558.87x = 11,888,520.48 × 2,535,104.67 - Step 4: Simplify right side
7,929,558.87x = 30,138,643,788,238.64 - Step 5: Solve for x
x = 30,138,643,788,238.64/7,929,558.87 - Step 6: Final answer
x = 3,800,797.03
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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.