Finding the Fourth Proportional to 18,653,104.80, 27,983,593.80 and 5,874,901.20
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Solution
The fourth proportional to 18,653,104.80, 27,983,593.80 and 5,874,901.20 is: 8,813,591.65
Step by Step Solution
- Step 1: Write the proportion equation
18,653,104.80 : 27,983,593.80 = 5,874,901.20 : x - Step 2: Convert to fraction form
18,653,104.80/27,983,593.80 = 5,874,901.20/x - Step 3: Cross multiply
18,653,104.80x = 27,983,593.80 × 5,874,901.20 - Step 4: Simplify right side
18,653,104.80x = 164,400,848,795,932.56 - Step 5: Solve for x
x = 164,400,848,795,932.56/18,653,104.80 - Step 6: Final answer
x = 8,813,591.65
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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.