Finding the Fourth Proportional to 14,471,107.10, 21,720,657.45 and 8,802,403.10
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Solution
The fourth proportional to 14,471,107.10, 21,720,657.45 and 8,802,403.10 is: 13,212,118.54
Step by Step Solution
- Step 1: Write the proportion equation
14,471,107.10 : 21,720,657.45 = 8,802,403.10 : x - Step 2: Convert to fraction form
14,471,107.10/21,720,657.45 = 8,802,403.10/x - Step 3: Cross multiply
14,471,107.10x = 21,720,657.45 × 8,802,403.10 - Step 4: Simplify right side
14,471,107.10x = 191,193,982,471,918.09 - Step 5: Solve for x
x = 191,193,982,471,918.09/14,471,107.10 - Step 6: Final answer
x = 13,212,118.54
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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.