Finding the Fourth Proportional to 32,128,271.08, 44,373,518.80 and 21,656,226.16
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Solution
The fourth proportional to 32,128,271.08, 44,373,518.80 and 21,656,226.16 is: 29,910,198.29
Step by Step Solution
- Step 1: Write the proportion equation
32,128,271.08 : 44,373,518.80 = 21,656,226.16 : x - Step 2: Convert to fraction form
32,128,271.08/44,373,518.80 = 21,656,226.16/x - Step 3: Cross multiply
32,128,271.08x = 44,373,518.80 × 21,656,226.16 - Step 4: Simplify right side
32,128,271.08x = 960,962,958,647,811.75 - Step 5: Solve for x
x = 960,962,958,647,811.75/32,128,271.08 - Step 6: Final answer
x = 29,910,198.29
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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.