Finding the Fourth Proportional to 10,231,755.17, 14,122,195.97 and 6,747,722.69
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Solution
The fourth proportional to 10,231,755.17, 14,122,195.97 and 6,747,722.69 is: 9,313,422.82
Step by Step Solution
- Step 1: Write the proportion equation
10,231,755.17 : 14,122,195.97 = 6,747,722.69 : x - Step 2: Convert to fraction form
10,231,755.17/14,122,195.97 = 6,747,722.69/x - Step 3: Cross multiply
10,231,755.17x = 14,122,195.97 × 6,747,722.69 - Step 4: Simplify right side
10,231,755.17x = 95,292,662,075,045.95 - Step 5: Solve for x
x = 95,292,662,075,045.95/10,231,755.17 - Step 6: Final answer
x = 9,313,422.82
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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.