Finding the Fourth Proportional to 38,809,745.80, 58,165,629.90 and 19,645,793.80
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Solution
The fourth proportional to 38,809,745.80, 58,165,629.90 and 19,645,793.80 is: 29,443,892.19
Step by Step Solution
- Step 1: Write the proportion equation
38,809,745.80 : 58,165,629.90 = 19,645,793.80 : x - Step 2: Convert to fraction form
38,809,745.80/58,165,629.90 = 19,645,793.80/x - Step 3: Cross multiply
38,809,745.80x = 58,165,629.90 × 19,645,793.80 - Step 4: Simplify right side
38,809,745.80x = 1,142,709,971,262,514.75 - Step 5: Solve for x
x = 1,142,709,971,262,514.75/38,809,745.80 - Step 6: Final answer
x = 29,443,892.19
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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.