Finding the Fourth Proportional to 29,689,828.80, 40,971,269.76 and 17,467,472.64
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Solution
The fourth proportional to 29,689,828.80, 40,971,269.76 and 17,467,472.64 is: 24,104,703.95
Step by Step Solution
- Step 1: Write the proportion equation
29,689,828.80 : 40,971,269.76 = 17,467,472.64 : x - Step 2: Convert to fraction form
29,689,828.80/40,971,269.76 = 17,467,472.64/x - Step 3: Cross multiply
29,689,828.80x = 40,971,269.76 × 17,467,472.64 - Step 4: Simplify right side
29,689,828.80x = 715,664,533,558,859.38 - Step 5: Solve for x
x = 715,664,533,558,859.38/29,689,828.80 - Step 6: Final answer
x = 24,104,703.95
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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.