Finding the Fourth Proportional to 21,253,088.88, 29,324,058.62 and 11,958,846.75
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Solution
The fourth proportional to 21,253,088.88, 29,324,058.62 and 11,958,846.75 is: 16,500,280.27
Step by Step Solution
- Step 1: Write the proportion equation
21,253,088.88 : 29,324,058.62 = 11,958,846.75 : x - Step 2: Convert to fraction form
21,253,088.88/29,324,058.62 = 11,958,846.75/x - Step 3: Cross multiply
21,253,088.88x = 29,324,058.62 × 11,958,846.75 - Step 4: Simplify right side
21,253,088.88x = 350,681,923,064,802.25 - Step 5: Solve for x
x = 350,681,923,064,802.25/21,253,088.88 - Step 6: Final answer
x = 16,500,280.27
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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.