Finding the Fourth Proportional to 16,338,889.80, 24,561,478.80 and 11,579,540.40
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Solution
The fourth proportional to 16,338,889.80, 24,561,478.80 and 11,579,540.40 is: 17,406,974.37
Step by Step Solution
- Step 1: Write the proportion equation
16,338,889.80 : 24,561,478.80 = 11,579,540.40 : x - Step 2: Convert to fraction form
16,338,889.80/24,561,478.80 = 11,579,540.40/x - Step 3: Cross multiply
16,338,889.80x = 24,561,478.80 × 11,579,540.40 - Step 4: Simplify right side
16,338,889.80x = 284,410,636,048,343.56 - Step 5: Solve for x
x = 284,410,636,048,343.56/16,338,889.80 - Step 6: Final answer
x = 17,406,974.37
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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.