Finding the Fourth Proportional to 8,606,321.43, 11,876,984.89 and 4,738,980.99
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Solution
The fourth proportional to 8,606,321.43, 11,876,984.89 and 4,738,980.99 is: 6,539,937.66
Step by Step Solution
- Step 1: Write the proportion equation
8,606,321.43 : 11,876,984.89 = 4,738,980.99 : x - Step 2: Convert to fraction form
8,606,321.43/11,876,984.89 = 4,738,980.99/x - Step 3: Cross multiply
8,606,321.43x = 11,876,984.89 × 4,738,980.99 - Step 4: Simplify right side
8,606,321.43x = 56,284,805,604,767.21 - Step 5: Solve for x
x = 56,284,805,604,767.21/8,606,321.43 - Step 6: Final answer
x = 6,539,937.66
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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.