Finding the Fourth Proportional to 18,203,490.60, 27,305,235.90 and 16,376,908.20
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Solution
The fourth proportional to 18,203,490.60, 27,305,235.90 and 16,376,908.20 is: 24,565,362.30
Step by Step Solution
- Step 1: Write the proportion equation
18,203,490.60 : 27,305,235.90 = 16,376,908.20 : x - Step 2: Convert to fraction form
18,203,490.60/27,305,235.90 = 16,376,908.20/x - Step 3: Cross multiply
18,203,490.60x = 27,305,235.90 × 16,376,908.20 - Step 4: Simplify right side
18,203,490.60x = 447,175,341,713,644.31 - Step 5: Solve for x
x = 447,175,341,713,644.31/18,203,490.60 - Step 6: Final answer
x = 24,565,362.30
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1.5x scale
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.