Finding the Fourth Proportional to 8,313,638.86, 11,472,713.26 and 4,642,619.94
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Solution
The fourth proportional to 8,313,638.86, 11,472,713.26 and 4,642,619.94 is: 6,406,754.99
Step by Step Solution
- Step 1: Write the proportion equation
8,313,638.86 : 11,472,713.26 = 4,642,619.94 : x - Step 2: Convert to fraction form
8,313,638.86/11,472,713.26 = 4,642,619.94/x - Step 3: Cross multiply
8,313,638.86x = 11,472,713.26 × 4,642,619.94 - Step 4: Simplify right side
8,313,638.86x = 53,263,447,266,201.73 - Step 5: Solve for x
x = 53,263,447,266,201.73/8,313,638.86 - Step 6: Final answer
x = 6,406,754.99
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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.