Finding the Fourth Proportional to 12,642,963.17, 17,447,290.04 and 6,841,745.19
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Solution
The fourth proportional to 12,642,963.17, 17,447,290.04 and 6,841,745.19 is: 9,441,608.84
Step by Step Solution
- Step 1: Write the proportion equation
12,642,963.17 : 17,447,290.04 = 6,841,745.19 : x - Step 2: Convert to fraction form
12,642,963.17/17,447,290.04 = 6,841,745.19/x - Step 3: Cross multiply
12,642,963.17x = 17,447,290.04 × 6,841,745.19 - Step 4: Simplify right side
12,642,963.17x = 119,369,912,726,809.28 - Step 5: Solve for x
x = 119,369,912,726,809.28/12,642,963.17 - Step 6: Final answer
x = 9,441,608.84
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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.