Finding the Fourth Proportional to 27,815,901.30, 41,644,135.80 and 27,018,739.80
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Solution
The fourth proportional to 27,815,901.30, 41,644,135.80 and 27,018,739.80 is: 40,450,678.09
Step by Step Solution
- Step 1: Write the proportion equation
27,815,901.30 : 41,644,135.80 = 27,018,739.80 : x - Step 2: Convert to fraction form
27,815,901.30/41,644,135.80 = 27,018,739.80/x - Step 3: Cross multiply
27,815,901.30x = 41,644,135.80 × 27,018,739.80 - Step 4: Simplify right side
27,815,901.30x = 1,125,172,069,376,064.75 - Step 5: Solve for x
x = 1,125,172,069,376,064.75/27,815,901.30 - Step 6: Final answer
x = 40,450,678.09
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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.