Finding the Fourth Proportional to 8,943,421.62, 13,414,846.39 and 3,758,777.94
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Solution
The fourth proportional to 8,943,421.62, 13,414,846.39 and 3,758,777.94 is: 5,638,046.69
Step by Step Solution
- Step 1: Write the proportion equation
8,943,421.62 : 13,414,846.39 = 3,758,777.94 : x - Step 2: Convert to fraction form
8,943,421.62/13,414,846.39 = 3,758,777.94/x - Step 3: Cross multiply
8,943,421.62x = 13,414,846.39 × 3,758,777.94 - Step 4: Simplify right side
8,943,421.62x = 50,423,428,679,220.64 - Step 5: Solve for x
x = 50,423,428,679,220.64/8,943,421.62 - Step 6: Final answer
x = 5,638,046.69
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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.