Finding the Fourth Proportional to 11,864,512.74, 16,372,880.15 and 6,970,180.99
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Solution
The fourth proportional to 11,864,512.74, 16,372,880.15 and 6,970,180.99 is: 9,618,763.15
Step by Step Solution
- Step 1: Write the proportion equation
11,864,512.74 : 16,372,880.15 = 6,970,180.99 : x - Step 2: Convert to fraction form
11,864,512.74/16,372,880.15 = 6,970,180.99/x - Step 3: Cross multiply
11,864,512.74x = 16,372,880.15 × 6,970,180.99 - Step 4: Simplify right side
11,864,512.74x = 114,121,937,973,078.36 - Step 5: Solve for x
x = 114,121,937,973,078.36/11,864,512.74 - Step 6: Final answer
x = 9,618,763.15
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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.