Finding the Fourth Proportional to 38,252,693.53, 52,790,584.58 and 21,512,700.55
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Solution
The fourth proportional to 38,252,693.53, 52,790,584.58 and 21,512,700.55 is: 29,688,577.01
Step by Step Solution
- Step 1: Write the proportion equation
38,252,693.53 : 52,790,584.58 = 21,512,700.55 : x - Step 2: Convert to fraction form
38,252,693.53/52,790,584.58 = 21,512,700.55/x - Step 3: Cross multiply
38,252,693.53x = 52,790,584.58 × 21,512,700.55 - Step 4: Simplify right side
38,252,693.53x = 1,135,668,037,821,424 - Step 5: Solve for x
x = 1,135,668,037,821,424/38,252,693.53 - Step 6: Final answer
x = 29,688,577.01
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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.