Finding the Fourth Proportional to 25,293,169.37, 34,904,660.99 and 13,690,729.77
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Solution
The fourth proportional to 25,293,169.37, 34,904,660.99 and 13,690,729.77 is: 18,893,254.32
Step by Step Solution
- Step 1: Write the proportion equation
25,293,169.37 : 34,904,660.99 = 13,690,729.77 : x - Step 2: Convert to fraction form
25,293,169.37/34,904,660.99 = 13,690,729.77/x - Step 3: Cross multiply
25,293,169.37x = 34,904,660.99 × 13,690,729.77 - Step 4: Simplify right side
25,293,169.37x = 477,870,281,259,097 - Step 5: Solve for x
x = 477,870,281,259,097/25,293,169.37 - Step 6: Final answer
x = 18,893,254.32
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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.