Finding the Fourth Proportional to 47,989,651.87, 66,224,081.95 and 27,369,741.07
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Solution
The fourth proportional to 47,989,651.87, 66,224,081.95 and 27,369,741.07 is: 37,769,308.69
Step by Step Solution
- Step 1: Write the proportion equation
47,989,651.87 : 66,224,081.95 = 27,369,741.07 : x - Step 2: Convert to fraction form
47,989,651.87/66,224,081.95 = 27,369,741.07/x - Step 3: Cross multiply
47,989,651.87x = 66,224,081.95 × 27,369,741.07 - Step 4: Simplify right side
47,989,651.87x = 1,812,535,975,569,960.75 - Step 5: Solve for x
x = 1,812,535,975,569,960.75/47,989,651.87 - Step 6: Final answer
x = 37,769,308.69
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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.