Finding the Fourth Proportional to 19,007,640.74, 26,230,884.46 and 10,306,106.66
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Solution
The fourth proportional to 19,007,640.74, 26,230,884.46 and 10,306,106.66 is: 14,222,611.67
Step by Step Solution
- Step 1: Write the proportion equation
19,007,640.74 : 26,230,884.46 = 10,306,106.66 : x - Step 2: Convert to fraction form
19,007,640.74/26,230,884.46 = 10,306,106.66/x - Step 3: Cross multiply
19,007,640.74x = 26,230,884.46 × 10,306,106.66 - Step 4: Simplify right side
19,007,640.74x = 270,338,292,873,976.78 - Step 5: Solve for x
x = 270,338,292,873,976.78/19,007,640.74 - Step 6: Final answer
x = 14,222,611.67
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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.