Finding the Fourth Proportional to 17,930,495.20, 26,755,893.08 and 15,998,124.64
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Solution
The fourth proportional to 17,930,495.20, 26,755,893.08 and 15,998,124.64 is: 23,872,408.85
Step by Step Solution
- Step 1: Write the proportion equation
17,930,495.20 : 26,755,893.08 = 15,998,124.64 : x - Step 2: Convert to fraction form
17,930,495.20/26,755,893.08 = 15,998,124.64/x - Step 3: Cross multiply
17,930,495.20x = 26,755,893.08 × 15,998,124.64 - Step 4: Simplify right side
17,930,495.20x = 428,044,112,348,353.50 - Step 5: Solve for x
x = 428,044,112,348,353.50/17,930,495.20 - Step 6: Final answer
x = 23,872,408.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.