Finding the Fourth Proportional to 13,006,236.19, 19,503,244.29 and 7,542,883.54
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Solution
The fourth proportional to 13,006,236.19, 19,503,244.29 and 7,542,883.54 is: 11,310,781.86
Step by Step Solution
- Step 1: Write the proportion equation
13,006,236.19 : 19,503,244.29 = 7,542,883.54 : x - Step 2: Convert to fraction form
13,006,236.19/19,503,244.29 = 7,542,883.54/x - Step 3: Cross multiply
13,006,236.19x = 19,503,244.29 × 7,542,883.54 - Step 4: Simplify right side
13,006,236.19x = 147,110,700,331,639.97 - Step 5: Solve for x
x = 147,110,700,331,639.97/13,006,236.19 - Step 6: Final answer
x = 11,310,781.86
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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.