Finding the Fourth Proportional to 14,879,876.14, 20,536,470.19 and 9,082,027.05
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Solution
The fourth proportional to 14,879,876.14, 20,536,470.19 and 9,082,027.05 is: 12,534,565.21
Step by Step Solution
- Step 1: Write the proportion equation
14,879,876.14 : 20,536,470.19 = 9,082,027.05 : x - Step 2: Convert to fraction form
14,879,876.14/20,536,470.19 = 9,082,027.05/x - Step 3: Cross multiply
14,879,876.14x = 20,536,470.19 × 9,082,027.05 - Step 4: Simplify right side
14,879,876.14x = 186,512,777,731,688.50 - Step 5: Solve for x
x = 186,512,777,731,688.50/14,879,876.14 - Step 6: Final answer
x = 12,534,565.21
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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.