Finding the Fourth Proportional to 27,136,074.60, 40,691,670.30 and 11,982,205.80
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Solution
The fourth proportional to 27,136,074.60, 40,691,670.30 and 11,982,205.80 is: 17,967,814.99
Step by Step Solution
- Step 1: Write the proportion equation
27,136,074.60 : 40,691,670.30 = 11,982,205.80 : x - Step 2: Convert to fraction form
27,136,074.60/40,691,670.30 = 11,982,205.80/x - Step 3: Cross multiply
27,136,074.60x = 40,691,670.30 × 11,982,205.80 - Step 4: Simplify right side
27,136,074.60x = 487,575,967,880,347.75 - Step 5: Solve for x
x = 487,575,967,880,347.75/27,136,074.60 - Step 6: Final answer
x = 17,967,814.99
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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.