Finding the Fourth Proportional to 12,686,534.97, 19,025,537.40 and 4,597,817.46
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Solution
The fourth proportional to 12,686,534.97, 19,025,537.40 and 4,597,817.46 is: 6,895,180.46
Step by Step Solution
- Step 1: Write the proportion equation
12,686,534.97 : 19,025,537.40 = 4,597,817.46 : x - Step 2: Convert to fraction form
12,686,534.97/19,025,537.40 = 4,597,817.46/x - Step 3: Cross multiply
12,686,534.97x = 19,025,537.40 × 4,597,817.46 - Step 4: Simplify right side
12,686,534.97x = 87,475,948,043,603 - Step 5: Solve for x
x = 87,475,948,043,603/12,686,534.97 - Step 6: Final answer
x = 6,895,180.46
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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.