Finding the Fourth Proportional to 51,684,190.80, 71,325,704.68 and 28,480,812.48
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Solution
The fourth proportional to 51,684,190.80, 71,325,704.68 and 28,480,812.48 is: 39,304,359.58
Step by Step Solution
- Step 1: Write the proportion equation
51,684,190.80 : 71,325,704.68 = 28,480,812.48 : x - Step 2: Convert to fraction form
51,684,190.80/71,325,704.68 = 28,480,812.48/x - Step 3: Cross multiply
51,684,190.80x = 71,325,704.68 × 28,480,812.48 - Step 4: Simplify right side
51,684,190.80x = 2,031,414,019,994,938.75 - Step 5: Solve for x
x = 2,031,414,019,994,938.75/51,684,190.80 - Step 6: Final answer
x = 39,304,359.58
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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.