Finding the Fourth Proportional to 14,737,044.08, 20,336,333.32 and 8,121,417.68
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Solution
The fourth proportional to 14,737,044.08, 20,336,333.32 and 8,121,417.68 is: 11,207,122.41
Step by Step Solution
- Step 1: Write the proportion equation
14,737,044.08 : 20,336,333.32 = 8,121,417.68 : x - Step 2: Convert to fraction form
14,737,044.08/20,336,333.32 = 8,121,417.68/x - Step 3: Cross multiply
14,737,044.08x = 20,336,333.32 × 8,121,417.68 - Step 4: Simplify right side
14,737,044.08x = 165,159,856,971,421.09 - Step 5: Solve for x
x = 165,159,856,971,421.09/14,737,044.08 - Step 6: Final answer
x = 11,207,122.41
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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.