Finding the Fourth Proportional to 14,457,502.24, 19,951,236.62 and 7,842,074.28
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Solution
The fourth proportional to 14,457,502.24, 19,951,236.62 and 7,842,074.28 is: 10,821,999.33
Step by Step Solution
- Step 1: Write the proportion equation
14,457,502.24 : 19,951,236.62 = 7,842,074.28 : x - Step 2: Convert to fraction form
14,457,502.24/19,951,236.62 = 7,842,074.28/x - Step 3: Cross multiply
14,457,502.24x = 19,951,236.62 × 7,842,074.28 - Step 4: Simplify right side
14,457,502.24x = 156,459,079,551,896.16 - Step 5: Solve for x
x = 156,459,079,551,896.16/14,457,502.24 - Step 6: Final answer
x = 10,821,999.33
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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.