Finding the Fourth Proportional to 14,733,809.12, 20,329,958.40 and 8,207,276.24
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Solution
The fourth proportional to 14,733,809.12, 20,329,958.40 and 8,207,276.24 is: 11,324,538.22
Step by Step Solution
- Step 1: Write the proportion equation
14,733,809.12 : 20,329,958.40 = 8,207,276.24 : x - Step 2: Convert to fraction form
14,733,809.12/20,329,958.40 = 8,207,276.24/x - Step 3: Cross multiply
14,733,809.12x = 20,329,958.40 × 8,207,276.24 - Step 4: Simplify right side
14,733,809.12x = 166,853,584,536,508.41 - Step 5: Solve for x
x = 166,853,584,536,508.41/14,733,809.12 - Step 6: Final answer
x = 11,324,538.22
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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.