Finding the Fourth Proportional to 19,460,181.23, 26,848,631.58 and 12,494,761.19
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Solution
The fourth proportional to 19,460,181.23, 26,848,631.58 and 12,494,761.19 is: 17,238,649.31
Step by Step Solution
- Step 1: Write the proportion equation
19,460,181.23 : 26,848,631.58 = 12,494,761.19 : x - Step 2: Convert to fraction form
19,460,181.23/26,848,631.58 = 12,494,761.19/x - Step 3: Cross multiply
19,460,181.23x = 26,848,631.58 × 12,494,761.19 - Step 4: Simplify right side
19,460,181.23x = 335,467,239,736,149.19 - Step 5: Solve for x
x = 335,467,239,736,149.19/19,460,181.23 - Step 6: Final answer
x = 17,238,649.31
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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.