Finding the Fourth Proportional to 17,124,528.58, 25,684,301.73 and 4,990,734.09
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Solution
The fourth proportional to 17,124,528.58, 25,684,301.73 and 4,990,734.09 is: 7,485,375.12
Step by Step Solution
- Step 1: Write the proportion equation
17,124,528.58 : 25,684,301.73 = 4,990,734.09 : x - Step 2: Convert to fraction form
17,124,528.58/25,684,301.73 = 4,990,734.09/x - Step 3: Cross multiply
17,124,528.58x = 25,684,301.73 × 4,990,734.09 - Step 4: Simplify right side
17,124,528.58x = 128,183,520,221,756.97 - Step 5: Solve for x
x = 128,183,520,221,756.97/17,124,528.58 - Step 6: Final answer
x = 7,485,375.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.