Finding the Fourth Proportional to 8,620,755, 12,916,499.33 and 5,201,857.99
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Solution
The fourth proportional to 8,620,755, 12,916,499.33 and 5,201,857.99 is: 7,793,957.17
Step by Step Solution
- Step 1: Write the proportion equation
8,620,755 : 12,916,499.33 = 5,201,857.99 : x - Step 2: Convert to fraction form
8,620,755/12,916,499.33 = 5,201,857.99/x - Step 3: Cross multiply
8,620,755x = 12,916,499.33 × 5,201,857.99 - Step 4: Simplify right side
8,620,755x = 67,189,795,242,590.15 - Step 5: Solve for x
x = 67,189,795,242,590.15/8,620,755 - Step 6: Final answer
x = 7,793,957.17
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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.