Finding the Fourth Proportional to 8,302,434.48, 11,457,340.68 and 4,680,736.56
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Solution
The fourth proportional to 8,302,434.48, 11,457,340.68 and 4,680,736.56 is: 6,459,405.80
Step by Step Solution
- Step 1: Write the proportion equation
8,302,434.48 : 11,457,340.68 = 4,680,736.56 : x - Step 2: Convert to fraction form
8,302,434.48/11,457,340.68 = 4,680,736.56/x - Step 3: Cross multiply
8,302,434.48x = 11,457,340.68 × 4,680,736.56 - Step 4: Simplify right side
8,302,434.48x = 53,628,793,401,251.26 - Step 5: Solve for x
x = 53,628,793,401,251.26/8,302,434.48 - Step 6: Final answer
x = 6,459,405.80
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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.