Finding the Fourth Proportional to 19,007,640.36, 26,230,883.94 and 10,306,106.28
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Solution
The fourth proportional to 19,007,640.36, 26,230,883.94 and 10,306,106.28 is: 14,222,611.15
Step by Step Solution
- Step 1: Write the proportion equation
19,007,640.36 : 26,230,883.94 = 10,306,106.28 : x - Step 2: Convert to fraction form
19,007,640.36/26,230,883.94 = 10,306,106.28/x - Step 3: Cross multiply
19,007,640.36x = 26,230,883.94 × 10,306,106.28 - Step 4: Simplify right side
19,007,640.36x = 270,338,277,703,985.12 - Step 5: Solve for x
x = 270,338,277,703,985.12/19,007,640.36 - Step 6: Final answer
x = 14,222,611.15
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1.5x scale
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.