Finding the Fourth Proportional to 11,656,828.32, 17,474,657.28 and 4,079,660.64
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Solution
The fourth proportional to 11,656,828.32, 17,474,657.28 and 4,079,660.64 is: 6,115,786.35
Step by Step Solution
- Step 1: Write the proportion equation
11,656,828.32 : 17,474,657.28 = 4,079,660.64 : x - Step 2: Convert to fraction form
11,656,828.32/17,474,657.28 = 4,079,660.64/x - Step 3: Cross multiply
11,656,828.32x = 17,474,657.28 × 4,079,660.64 - Step 4: Simplify right side
11,656,828.32x = 71,290,671,502,705.47 - Step 5: Solve for x
x = 71,290,671,502,705.47/11,656,828.32 - Step 6: Final answer
x = 6,115,786.35
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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.