Finding the Fourth Proportional to 14,274,046.64, 19,698,204.30 and 7,747,677.44
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Solution
The fourth proportional to 14,274,046.64, 19,698,204.30 and 7,747,677.44 is: 10,691,805.69
Step by Step Solution
- Step 1: Write the proportion equation
14,274,046.64 : 19,698,204.30 = 7,747,677.44 : x - Step 2: Convert to fraction form
14,274,046.64/19,698,204.30 = 7,747,677.44/x - Step 3: Cross multiply
14,274,046.64x = 19,698,204.30 × 7,747,677.44 - Step 4: Simplify right side
14,274,046.64x = 152,615,333,063,621 - Step 5: Solve for x
x = 152,615,333,063,621/14,274,046.64 - Step 6: Final answer
x = 10,691,805.69
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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.