Finding the Fourth Proportional to 12,202,102.32, 16,840,395.44 and 7,045,452.80
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Solution
The fourth proportional to 12,202,102.32, 16,840,395.44 and 7,045,452.80 is: 9,723,587.63
Step by Step Solution
- Step 1: Write the proportion equation
12,202,102.32 : 16,840,395.44 = 7,045,452.80 : x - Step 2: Convert to fraction form
12,202,102.32/16,840,395.44 = 7,045,452.80/x - Step 3: Cross multiply
12,202,102.32x = 16,840,395.44 × 7,045,452.80 - Step 4: Simplify right side
12,202,102.32x = 118,648,211,205,855.23 - Step 5: Solve for x
x = 118,648,211,205,855.23/12,202,102.32 - Step 6: Final answer
x = 9,723,587.63
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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.