Finding the Fourth Proportional to 13,814,986.16, 20,722,527.84 and 4,230,322.58
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Solution
The fourth proportional to 13,814,986.16, 20,722,527.84 and 4,230,322.58 is: 6,345,498.75
Step by Step Solution
- Step 1: Write the proportion equation
13,814,986.16 : 20,722,527.84 = 4,230,322.58 : x - Step 2: Convert to fraction form
13,814,986.16/20,722,527.84 = 4,230,322.58/x - Step 3: Cross multiply
13,814,986.16x = 20,722,527.84 × 4,230,322.58 - Step 4: Simplify right side
13,814,986.16x = 87,662,977,436,230.62 - Step 5: Solve for x
x = 87,662,977,436,230.62/13,814,986.16 - Step 6: Final answer
x = 6,345,498.75
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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.