Finding the Fourth Proportional to 11,451,640.19, 15,802,863.35 and 6,294,964.83
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Solution
The fourth proportional to 11,451,640.19, 15,802,863.35 and 6,294,964.83 is: 8,686,831.52
Step by Step Solution
- Step 1: Write the proportion equation
11,451,640.19 : 15,802,863.35 = 6,294,964.83 : x - Step 2: Convert to fraction form
11,451,640.19/15,802,863.35 = 6,294,964.83/x - Step 3: Cross multiply
11,451,640.19x = 15,802,863.35 × 6,294,964.83 - Step 4: Simplify right side
11,451,640.19x = 99,478,468,970,071.16 - Step 5: Solve for x
x = 99,478,468,970,071.16/11,451,640.19 - Step 6: Final answer
x = 8,686,831.52
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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.