Finding the Fourth Proportional to 19,932,567.80, 29,932,029.30 and 10,963,556.60
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Solution
The fourth proportional to 19,932,567.80, 29,932,029.30 and 10,963,556.60 is: 16,463,583.65
Step by Step Solution
- Step 1: Write the proportion equation
19,932,567.80 : 29,932,029.30 = 10,963,556.60 : x - Step 2: Convert to fraction form
19,932,567.80/29,932,029.30 = 10,963,556.60/x - Step 3: Cross multiply
19,932,567.80x = 29,932,029.30 × 10,963,556.60 - Step 4: Simplify right side
19,932,567.80x = 328,161,497,383,408.38 - Step 5: Solve for x
x = 328,161,497,383,408.38/19,932,567.80 - Step 6: Final answer
x = 16,463,583.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.