Finding the Fourth Proportional to 45,062,731.44, 67,621,850.19 and 17,764,378.74
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Solution
The fourth proportional to 45,062,731.44, 67,621,850.19 and 17,764,378.74 is: 26,657,508.75
Step by Step Solution
- Step 1: Write the proportion equation
45,062,731.44 : 67,621,850.19 = 17,764,378.74 : x - Step 2: Convert to fraction form
45,062,731.44/67,621,850.19 = 17,764,378.74/x - Step 3: Cross multiply
45,062,731.44x = 67,621,850.19 × 17,764,378.74 - Step 4: Simplify right side
45,062,731.44x = 1,201,260,157,874,700.75 - Step 5: Solve for x
x = 1,201,260,157,874,700.75/45,062,731.44 - Step 6: Final answer
x = 26,657,508.75
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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.