Finding the Fourth Proportional to 11,395,721.42, 15,726,088.32 and 6,239,081.60
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Solution
The fourth proportional to 11,395,721.42, 15,726,088.32 and 6,239,081.60 is: 8,609,928.64
Step by Step Solution
- Step 1: Write the proportion equation
11,395,721.42 : 15,726,088.32 = 6,239,081.60 : x - Step 2: Convert to fraction form
11,395,721.42/15,726,088.32 = 6,239,081.60/x - Step 3: Cross multiply
11,395,721.42x = 15,726,088.32 × 6,239,081.60 - Step 4: Simplify right side
11,395,721.42x = 98,116,348,277,286.91 - Step 5: Solve for x
x = 98,116,348,277,286.91/11,395,721.42 - Step 6: Final answer
x = 8,609,928.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.