Finding the Fourth Proportional to 9,418,935.86, 14,107,805.26 and 6,678,175.49
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Solution
The fourth proportional to 9,418,935.86, 14,107,805.26 and 6,678,175.49 is: 10,002,658.55
Step by Step Solution
- Step 1: Write the proportion equation
9,418,935.86 : 14,107,805.26 = 6,678,175.49 : x - Step 2: Convert to fraction form
9,418,935.86/14,107,805.26 = 6,678,175.49/x - Step 3: Cross multiply
9,418,935.86x = 14,107,805.26 × 6,678,175.49 - Step 4: Simplify right side
9,418,935.86x = 94,214,399,305,025.08 - Step 5: Solve for x
x = 94,214,399,305,025.08/9,418,935.86 - Step 6: Final answer
x = 10,002,658.55
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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.