Finding the Fourth Proportional to 19,133,296.97, 26,403,931.22 and 10,431,467.28
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Solution
The fourth proportional to 19,133,296.97, 26,403,931.22 and 10,431,467.28 is: 14,395,414.70
Step by Step Solution
- Step 1: Write the proportion equation
19,133,296.97 : 26,403,931.22 = 10,431,467.28 : x - Step 2: Convert to fraction form
19,133,296.97/26,403,931.22 = 10,431,467.28/x - Step 3: Cross multiply
19,133,296.97x = 26,403,931.22 × 10,431,467.28 - Step 4: Simplify right side
19,133,296.97x = 275,431,744,452,780.81 - Step 5: Solve for x
x = 275,431,744,452,780.81/19,133,296.97 - Step 6: Final answer
x = 14,395,414.70
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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.