Finding the Fourth Proportional to 27,455,835.49, 37,888,948.99 and 15,066,136.20
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Solution
The fourth proportional to 27,455,835.49, 37,888,948.99 and 15,066,136.20 is: 20,791,210.90
Step by Step Solution
- Step 1: Write the proportion equation
27,455,835.49 : 37,888,948.99 = 15,066,136.20 : x - Step 2: Convert to fraction form
27,455,835.49/37,888,948.99 = 15,066,136.20/x - Step 3: Cross multiply
27,455,835.49x = 37,888,948.99 × 15,066,136.20 - Step 4: Simplify right side
27,455,835.49x = 570,840,065,882,861.75 - Step 5: Solve for x
x = 570,840,065,882,861.75/27,455,835.49 - Step 6: Final answer
x = 20,791,210.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.