Finding the Fourth Proportional to 12,138,734.10, 18,202,852.35 and 6,071,121.30
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Solution
The fourth proportional to 12,138,734.10, 18,202,852.35 and 6,071,121.30 is: 9,104,056.79
Step by Step Solution
- Step 1: Write the proportion equation
12,138,734.10 : 18,202,852.35 = 6,071,121.30 : x - Step 2: Convert to fraction form
12,138,734.10/18,202,852.35 = 6,071,121.30/x - Step 3: Cross multiply
12,138,734.10x = 18,202,852.35 × 6,071,121.30 - Step 4: Simplify right side
12,138,734.10x = 110,511,724,622,840.06 - Step 5: Solve for x
x = 110,511,724,622,840.06/12,138,734.10 - Step 6: Final answer
x = 9,104,056.79
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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.