Finding the Fourth Proportional to 18,992,038.06, 26,194,550.96 and 16,347,386.26
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Solution
The fourth proportional to 18,992,038.06, 26,194,550.96 and 16,347,386.26 is: 22,546,945.26
Step by Step Solution
- Step 1: Write the proportion equation
18,992,038.06 : 26,194,550.96 = 16,347,386.26 : x - Step 2: Convert to fraction form
18,992,038.06/26,194,550.96 = 16,347,386.26/x - Step 3: Cross multiply
18,992,038.06x = 26,194,550.96 × 16,347,386.26 - Step 4: Simplify right side
18,992,038.06x = 428,212,442,450,373.81 - Step 5: Solve for x
x = 428,212,442,450,373.81/18,992,038.06 - Step 6: Final answer
x = 22,546,945.26
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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.