Finding the Fourth Proportional to 14,268,896.71, 19,691,018.35 and 8,472,450.04
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Solution
The fourth proportional to 14,268,896.71, 19,691,018.35 and 8,472,450.04 is: 11,691,945.96
Step by Step Solution
- Step 1: Write the proportion equation
14,268,896.71 : 19,691,018.35 = 8,472,450.04 : x - Step 2: Convert to fraction form
14,268,896.71/19,691,018.35 = 8,472,450.04/x - Step 3: Cross multiply
14,268,896.71x = 19,691,018.35 × 8,472,450.04 - Step 4: Simplify right side
14,268,896.71x = 166,831,169,207,098.22 - Step 5: Solve for x
x = 166,831,169,207,098.22/14,268,896.71 - Step 6: Final answer
x = 11,691,945.96
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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.