Finding the Fourth Proportional to 11,680,214.34, 16,119,634.32 and 6,453,678
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Solution
The fourth proportional to 11,680,214.34, 16,119,634.32 and 6,453,678 is: 8,906,594.21
Step by Step Solution
- Step 1: Write the proportion equation
11,680,214.34 : 16,119,634.32 = 6,453,678 : x - Step 2: Convert to fraction form
11,680,214.34/16,119,634.32 = 6,453,678/x - Step 3: Cross multiply
11,680,214.34x = 16,119,634.32 × 6,453,678 - Step 4: Simplify right side
11,680,214.34x = 104,030,929,379,028.97 - Step 5: Solve for x
x = 104,030,929,379,028.97/11,680,214.34 - Step 6: Final answer
x = 8,906,594.21
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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.