Finding the Fourth Proportional to 14,551,619.56, 20,081,254.90 and 7,936,224.01
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Solution
The fourth proportional to 14,551,619.56, 20,081,254.90 and 7,936,224.01 is: 10,951,999.99
Step by Step Solution
- Step 1: Write the proportion equation
14,551,619.56 : 20,081,254.90 = 7,936,224.01 : x - Step 2: Convert to fraction form
14,551,619.56/20,081,254.90 = 7,936,224.01/x - Step 3: Cross multiply
14,551,619.56x = 20,081,254.90 × 7,936,224.01 - Step 4: Simplify right side
14,551,619.56x = 159,369,337,213,114.06 - Step 5: Solve for x
x = 159,369,337,213,114.06/14,551,619.56 - Step 6: Final answer
x = 10,951,999.99
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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.