Finding the Fourth Proportional to 25,995,403.51, 35,874,777.62 and 14,392,966.75
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Solution
The fourth proportional to 25,995,403.51, 35,874,777.62 and 14,392,966.75 is: 19,862,914.66
Step by Step Solution
- Step 1: Write the proportion equation
25,995,403.51 : 35,874,777.62 = 14,392,966.75 : x - Step 2: Convert to fraction form
25,995,403.51/35,874,777.62 = 14,392,966.75/x - Step 3: Cross multiply
25,995,403.51x = 35,874,777.62 × 14,392,966.75 - Step 4: Simplify right side
25,995,403.51x = 516,344,481,394,599.69 - Step 5: Solve for x
x = 516,344,481,394,599.69/25,995,403.51 - Step 6: Final answer
x = 19,862,914.66
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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.