Finding the Fourth Proportional to 14,684,460.13, 20,263,368.79 and 8,489,906.14
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Solution
The fourth proportional to 14,684,460.13, 20,263,368.79 and 8,489,906.14 is: 11,715,384.67
Step by Step Solution
- Step 1: Write the proportion equation
14,684,460.13 : 20,263,368.79 = 8,489,906.14 : x - Step 2: Convert to fraction form
14,684,460.13/20,263,368.79 = 8,489,906.14/x - Step 3: Cross multiply
14,684,460.13x = 20,263,368.79 × 8,489,906.14 - Step 4: Simplify right side
14,684,460.13x = 172,034,099,107,305.38 - Step 5: Solve for x
x = 172,034,099,107,305.38/14,684,460.13 - Step 6: Final answer
x = 11,715,384.67
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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.