Finding the Fourth Proportional to 14,274,100.75, 19,698,274.99 and 7,747,728.46
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Solution
The fourth proportional to 14,274,100.75, 19,698,274.99 and 7,747,728.46 is: 10,691,873.93
Step by Step Solution
- Step 1: Write the proportion equation
14,274,100.75 : 19,698,274.99 = 7,747,728.46 : x - Step 2: Convert to fraction form
14,274,100.75/19,698,274.99 = 7,747,728.46/x - Step 3: Cross multiply
14,274,100.75x = 19,698,274.99 × 7,747,728.46 - Step 4: Simplify right side
14,274,100.75x = 152,616,885,752,929.19 - Step 5: Solve for x
x = 152,616,885,752,929.19/14,274,100.75 - Step 6: Final answer
x = 10,691,873.93
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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.