Finding the Fourth Proportional to 19,551,234.62, 26,978,916.06 and 11,602,408.84
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Solution
The fourth proportional to 19,551,234.62, 26,978,916.06 and 11,602,408.84 is: 16,010,263.31
Step by Step Solution
- Step 1: Write the proportion equation
19,551,234.62 : 26,978,916.06 = 11,602,408.84 : x - Step 2: Convert to fraction form
19,551,234.62/26,978,916.06 = 11,602,408.84/x - Step 3: Cross multiply
19,551,234.62x = 26,978,916.06 × 11,602,408.84 - Step 4: Simplify right side
19,551,234.62x = 313,020,414,229,232.38 - Step 5: Solve for x
x = 313,020,414,229,232.38/19,551,234.62 - Step 6: Final answer
x = 16,010,263.31
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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.