Finding the Fourth Proportional to 8,499,125.94, 11,728,754.95 and 4,631,646.07
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Solution
The fourth proportional to 8,499,125.94, 11,728,754.95 and 4,631,646.07 is: 6,391,650.41
Step by Step Solution
- Step 1: Write the proportion equation
8,499,125.94 : 11,728,754.95 = 4,631,646.07 : x - Step 2: Convert to fraction form
8,499,125.94/11,728,754.95 = 4,631,646.07/x - Step 3: Cross multiply
8,499,125.94x = 11,728,754.95 × 4,631,646.07 - Step 4: Simplify right side
8,499,125.94x = 54,323,441,770,160.55 - Step 5: Solve for x
x = 54,323,441,770,160.55/8,499,125.94 - Step 6: Final answer
x = 6,391,650.41
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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.