Finding the Fourth Proportional to 11,823,755.36, 16,316,775.04 and 6,391,247.36
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Solution
The fourth proportional to 11,823,755.36, 16,316,775.04 and 6,391,247.36 is: 8,819,917.38
Step by Step Solution
- Step 1: Write the proportion equation
11,823,755.36 : 16,316,775.04 = 6,391,247.36 : x - Step 2: Convert to fraction form
11,823,755.36/16,316,775.04 = 6,391,247.36/x - Step 3: Cross multiply
11,823,755.36x = 16,316,775.04 × 6,391,247.36 - Step 4: Simplify right side
11,823,755.36x = 104,284,545,398,113.89 - Step 5: Solve for x
x = 104,284,545,398,113.89/11,823,755.36 - Step 6: Final answer
x = 8,819,917.38
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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.