Finding the Fourth Proportional to 13,543,948.06, 20,318,932.85 and 6,351,648.64
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Solution
The fourth proportional to 13,543,948.06, 20,318,932.85 and 6,351,648.64 is: 9,528,884.90
Step by Step Solution
- Step 1: Write the proportion equation
13,543,948.06 : 20,318,932.85 = 6,351,648.64 : x - Step 2: Convert to fraction form
13,543,948.06/20,318,932.85 = 6,351,648.64/x - Step 3: Cross multiply
13,543,948.06x = 20,318,932.85 × 6,351,648.64 - Step 4: Simplify right side
13,543,948.06x = 129,058,722,202,953.83 - Step 5: Solve for x
x = 129,058,722,202,953.83/13,543,948.06 - Step 6: Final answer
x = 9,528,884.90
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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.