Finding the Fourth Proportional to 23,419,761.15, 32,318,576.26 and 12,966,243.38
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Solution
The fourth proportional to 23,419,761.15, 32,318,576.26 and 12,966,243.38 is: 17,893,031.56
Step by Step Solution
- Step 1: Write the proportion equation
23,419,761.15 : 32,318,576.26 = 12,966,243.38 : x - Step 2: Convert to fraction form
23,419,761.15/32,318,576.26 = 12,966,243.38/x - Step 3: Cross multiply
23,419,761.15x = 32,318,576.26 × 12,966,243.38 - Step 4: Simplify right side
23,419,761.15x = 419,050,525,482,250.19 - Step 5: Solve for x
x = 419,050,525,482,250.19/23,419,761.15 - Step 6: Final answer
x = 17,893,031.56
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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.