Finding the Fourth Proportional to 11,395,720.92, 15,726,087.63 and 6,239,081.10
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Solution
The fourth proportional to 11,395,720.92, 15,726,087.63 and 6,239,081.10 is: 8,609,927.95
Step by Step Solution
- Step 1: Write the proportion equation
11,395,720.92 : 15,726,087.63 = 6,239,081.10 : x - Step 2: Convert to fraction form
11,395,720.92/15,726,087.63 = 6,239,081.10/x - Step 3: Cross multiply
11,395,720.92x = 15,726,087.63 × 6,239,081.10 - Step 4: Simplify right side
11,395,720.92x = 98,116,336,109,276.80 - Step 5: Solve for x
x = 98,116,336,109,276.80/11,395,720.92 - Step 6: Final answer
x = 8,609,927.95
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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.