Finding the Fourth Proportional to 20,047,037.44, 27,660,909.84 and 12,201,294.88
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Solution
The fourth proportional to 20,047,037.44, 27,660,909.84 and 12,201,294.88 is: 16,835,351.29
Step by Step Solution
- Step 1: Write the proportion equation
20,047,037.44 : 27,660,909.84 = 12,201,294.88 : x - Step 2: Convert to fraction form
20,047,037.44/27,660,909.84 = 12,201,294.88/x - Step 3: Cross multiply
20,047,037.44x = 27,660,909.84 × 12,201,294.88 - Step 4: Simplify right side
20,047,037.44x = 337,498,917,606,933.62 - Step 5: Solve for x
x = 337,498,917,606,933.62/20,047,037.44 - Step 6: Final answer
x = 16,835,351.29
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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.