Finding the Fourth Proportional to 18,003,278.08, 27,005,787.06 and 5,872,718.08
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Solution
The fourth proportional to 18,003,278.08, 27,005,787.06 and 5,872,718.08 is: 8,809,360.90
Step by Step Solution
- Step 1: Write the proportion equation
18,003,278.08 : 27,005,787.06 = 5,872,718.08 : x - Step 2: Convert to fraction form
18,003,278.08/27,005,787.06 = 5,872,718.08/x - Step 3: Cross multiply
18,003,278.08x = 27,005,787.06 × 5,872,718.08 - Step 4: Simplify right side
18,003,278.08x = 158,597,373,931,892.03 - Step 5: Solve for x
x = 158,597,373,931,892.03/18,003,278.08 - Step 6: Final answer
x = 8,809,360.90
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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.