Finding the Fourth Proportional to 7,839,956.16, 11,761,420.32 and 2,722,186.08
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Solution
The fourth proportional to 7,839,956.16, 11,761,420.32 and 2,722,186.08 is: 4,083,795.12
Step by Step Solution
- Step 1: Write the proportion equation
7,839,956.16 : 11,761,420.32 = 2,722,186.08 : x - Step 2: Convert to fraction form
7,839,956.16/11,761,420.32 = 2,722,186.08/x - Step 3: Cross multiply
7,839,956.16x = 11,761,420.32 × 2,722,186.08 - Step 4: Simplify right side
7,839,956.16x = 32,016,774,676,133.15 - Step 5: Solve for x
x = 32,016,774,676,133.15/7,839,956.16 - Step 6: Final answer
x = 4,083,795.12
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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.