Finding the Fourth Proportional to 20,346,936, 30,520,414.94 and 7,565,779.95
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Solution
The fourth proportional to 20,346,936, 30,520,414.94 and 7,565,779.95 is: 11,348,673.99
Step by Step Solution
- Step 1: Write the proportion equation
20,346,936 : 30,520,414.94 = 7,565,779.95 : x - Step 2: Convert to fraction form
20,346,936/30,520,414.94 = 7,565,779.95/x - Step 3: Cross multiply
20,346,936x = 30,520,414.94 × 7,565,779.95 - Step 4: Simplify right side
20,346,936x = 230,910,743,418,732.47 - Step 5: Solve for x
x = 230,910,743,418,732.47/20,346,936 - Step 6: Final answer
x = 11,348,673.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.