Finding the Fourth Proportional to 51,949,169.09, 71,689,937.33 and 28,745,274.05
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Solution
The fourth proportional to 51,949,169.09, 71,689,937.33 and 28,745,274.05 is: 39,668,524.66
Step by Step Solution
- Step 1: Write the proportion equation
51,949,169.09 : 71,689,937.33 = 28,745,274.05 : x - Step 2: Convert to fraction form
51,949,169.09/71,689,937.33 = 28,745,274.05/x - Step 3: Cross multiply
51,949,169.09x = 71,689,937.33 × 28,745,274.05 - Step 4: Simplify right side
51,949,169.09x = 2,060,746,895,034,449 - Step 5: Solve for x
x = 2,060,746,895,034,449/51,949,169.09 - Step 6: Final answer
x = 39,668,524.66
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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.