Finding the Fourth Proportional to 19,755,676.80, 29,598,085.80 and 16,921,324.80
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Solution
The fourth proportional to 19,755,676.80, 29,598,085.80 and 16,921,324.80 is: 25,351,640.87
Step by Step Solution
- Step 1: Write the proportion equation
19,755,676.80 : 29,598,085.80 = 16,921,324.80 : x - Step 2: Convert to fraction form
19,755,676.80/29,598,085.80 = 16,921,324.80/x - Step 3: Cross multiply
19,755,676.80x = 29,598,085.80 × 16,921,324.80 - Step 4: Simplify right side
19,755,676.80x = 500,838,823,280,067.88 - Step 5: Solve for x
x = 500,838,823,280,067.88/19,755,676.80 - Step 6: Final answer
x = 25,351,640.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.