Finding the Fourth Proportional to 21,427,548.14, 32,149,839.09 and 6,856,712.67
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Solution
The fourth proportional to 21,427,548.14, 32,149,839.09 and 6,856,712.67 is: 10,287,794.37
Step by Step Solution
- Step 1: Write the proportion equation
21,427,548.14 : 32,149,839.09 = 6,856,712.67 : x - Step 2: Convert to fraction form
21,427,548.14/32,149,839.09 = 6,856,712.67/x - Step 3: Cross multiply
21,427,548.14x = 32,149,839.09 × 6,856,712.67 - Step 4: Simplify right side
21,427,548.14x = 220,442,209,173,138.84 - Step 5: Solve for x
x = 220,442,209,173,138.84/21,427,548.14 - Step 6: Final answer
x = 10,287,794.37
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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.