Finding the Fourth Proportional to 14,632,449.08, 20,189,131.80 and 8,439,389.96
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Solution
The fourth proportional to 14,632,449.08, 20,189,131.80 and 8,439,389.96 is: 11,644,254.17
Step by Step Solution
- Step 1: Write the proportion equation
14,632,449.08 : 20,189,131.80 = 8,439,389.96 : x - Step 2: Convert to fraction form
14,632,449.08/20,189,131.80 = 8,439,389.96/x - Step 3: Cross multiply
14,632,449.08x = 20,189,131.80 × 8,439,389.96 - Step 4: Simplify right side
14,632,449.08x = 170,383,956,214,036.75 - Step 5: Solve for x
x = 170,383,956,214,036.75/14,632,449.08 - Step 6: Final answer
x = 11,644,254.17
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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.