Finding the Fourth Proportional to 21,142,583.83, 29,177,566.19 and 11,850,324.13
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Solution
The fourth proportional to 21,142,583.83, 29,177,566.19 and 11,850,324.13 is: 16,353,895.98
Step by Step Solution
- Step 1: Write the proportion equation
21,142,583.83 : 29,177,566.19 = 11,850,324.13 : x - Step 2: Convert to fraction form
21,142,583.83/29,177,566.19 = 11,850,324.13/x - Step 3: Cross multiply
21,142,583.83x = 29,177,566.19 × 11,850,324.13 - Step 4: Simplify right side
21,142,583.83x = 345,763,616,676,029.19 - Step 5: Solve for x
x = 345,763,616,676,029.19/21,142,583.83 - Step 6: Final answer
x = 16,353,895.98
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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.