Finding the Fourth Proportional to 18,194,378.10, 27,216,917.55 and 16,402,787.70
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Solution
The fourth proportional to 18,194,378.10, 27,216,917.55 and 16,402,787.70 is: 24,536,882.66
Step by Step Solution
- Step 1: Write the proportion equation
18,194,378.10 : 27,216,917.55 = 16,402,787.70 : x - Step 2: Convert to fraction form
18,194,378.10/27,216,917.55 = 16,402,787.70/x - Step 3: Cross multiply
18,194,378.10x = 27,216,917.55 × 16,402,787.70 - Step 4: Simplify right side
18,194,378.10x = 446,433,320,421,054.12 - Step 5: Solve for x
x = 446,433,320,421,054.12/18,194,378.10 - Step 6: Final answer
x = 24,536,882.66
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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.