Finding the Fourth Proportional to 10,279,658.24, 15,408,636.80 and 3,449,755.66
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Solution
The fourth proportional to 10,279,658.24, 15,408,636.80 and 3,449,755.66 is: 5,170,992.15
Step by Step Solution
- Step 1: Write the proportion equation
10,279,658.24 : 15,408,636.80 = 3,449,755.66 : x - Step 2: Convert to fraction form
10,279,658.24/15,408,636.80 = 3,449,755.66/x - Step 3: Cross multiply
10,279,658.24x = 15,408,636.80 × 3,449,755.66 - Step 4: Simplify right side
10,279,658.24x = 53,156,032,013,684.29 - Step 5: Solve for x
x = 53,156,032,013,684.29/10,279,658.24 - Step 6: Final answer
x = 5,170,992.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.