Finding the Fourth Proportional to 49,539,299.12, 74,279,514.16 and 18,836,123.60
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Solution
The fourth proportional to 49,539,299.12, 74,279,514.16 and 18,836,123.60 is: 28,242,993.63
Step by Step Solution
- Step 1: Write the proportion equation
49,539,299.12 : 74,279,514.16 = 18,836,123.60 : x - Step 2: Convert to fraction form
49,539,299.12/74,279,514.16 = 18,836,123.60/x - Step 3: Cross multiply
49,539,299.12x = 74,279,514.16 × 18,836,123.60 - Step 4: Simplify right side
49,539,299.12x = 1,399,138,109,665,710.25 - Step 5: Solve for x
x = 1,399,138,109,665,710.25/49,539,299.12 - Step 6: Final answer
x = 28,242,993.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.