Finding the Fourth Proportional to 38,689,327.80, 58,033,991.70 and 27,351,919.80
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Solution
The fourth proportional to 38,689,327.80, 58,033,991.70 and 27,351,919.80 is: 41,027,879.70
Step by Step Solution
- Step 1: Write the proportion equation
38,689,327.80 : 58,033,991.70 = 27,351,919.80 : x - Step 2: Convert to fraction form
38,689,327.80/58,033,991.70 = 27,351,919.80/x - Step 3: Cross multiply
38,689,327.80x = 58,033,991.70 × 27,351,919.80 - Step 4: Simplify right side
38,689,327.80x = 1,587,341,086,652,265.75 - Step 5: Solve for x
x = 1,587,341,086,652,265.75/38,689,327.80 - Step 6: Final answer
x = 41,027,879.70
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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.