Finding the Fourth Proportional to 23,135,602.38, 31,908,514.99 and 20,338,745.54
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Solution
The fourth proportional to 23,135,602.38, 31,908,514.99 and 20,338,745.54 is: 28,051,103.07
Step by Step Solution
- Step 1: Write the proportion equation
23,135,602.38 : 31,908,514.99 = 20,338,745.54 : x - Step 2: Convert to fraction form
23,135,602.38/31,908,514.99 = 20,338,745.54/x - Step 3: Cross multiply
23,135,602.38x = 31,908,514.99 × 20,338,745.54 - Step 4: Simplify right side
23,135,602.38x = 648,979,166,940,885.62 - Step 5: Solve for x
x = 648,979,166,940,885.62/23,135,602.38 - Step 6: Final answer
x = 28,051,103.07
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1.5x scale
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.