Finding the Fourth Proportional to 32,106,520.24, 44,288,468.34 and 20,490,991.45
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Solution
The fourth proportional to 32,106,520.24, 44,288,468.34 and 20,490,991.45 is: 28,265,742.26
Step by Step Solution
- Step 1: Write the proportion equation
32,106,520.24 : 44,288,468.34 = 20,490,991.45 : x - Step 2: Convert to fraction form
32,106,520.24/44,288,468.34 = 20,490,991.45/x - Step 3: Cross multiply
32,106,520.24x = 44,288,468.34 × 20,490,991.45 - Step 4: Simplify right side
32,106,520.24x = 907,514,626,088,535.75 - Step 5: Solve for x
x = 907,514,626,088,535.75/32,106,520.24 - Step 6: Final answer
x = 28,265,742.26
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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.