Finding the Fourth Proportional to 7,676,428.44, 11,518,627.77 and 3,130,812.12
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Solution
The fourth proportional to 7,676,428.44, 11,518,627.77 and 3,130,812.12 is: 4,697,843.50
Step by Step Solution
- Step 1: Write the proportion equation
7,676,428.44 : 11,518,627.77 = 3,130,812.12 : x - Step 2: Convert to fraction form
7,676,428.44/11,518,627.77 = 3,130,812.12/x - Step 3: Cross multiply
7,676,428.44x = 11,518,627.77 × 3,130,812.12 - Step 4: Simplify right side
7,676,428.44x = 36,062,659,428,084.57 - Step 5: Solve for x
x = 36,062,659,428,084.57/7,676,428.44 - Step 6: Final answer
x = 4,697,843.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.