Finding the Fourth Proportional to 18,383,560.29, 25,368,494.86 and 10,537,447.65
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Solution
The fourth proportional to 18,383,560.29, 25,368,494.86 and 10,537,447.65 is: 14,541,208.68
Step by Step Solution
- Step 1: Write the proportion equation
18,383,560.29 : 25,368,494.86 = 10,537,447.65 : x - Step 2: Convert to fraction form
18,383,560.29/25,368,494.86 = 10,537,447.65/x - Step 3: Cross multiply
18,383,560.29x = 25,368,494.86 × 10,537,447.65 - Step 4: Simplify right side
18,383,560.29x = 267,319,186,419,701.59 - Step 5: Solve for x
x = 267,319,186,419,701.59/18,383,560.29 - Step 6: Final answer
x = 14,541,208.68
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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.