Finding the Fourth Proportional to 32,616,121.20, 48,891,004.20 and 19,146,015.60
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Solution
The fourth proportional to 32,616,121.20, 48,891,004.20 and 19,146,015.60 is: 28,699,547.79
Step by Step Solution
- Step 1: Write the proportion equation
32,616,121.20 : 48,891,004.20 = 19,146,015.60 : x - Step 2: Convert to fraction form
32,616,121.20/48,891,004.20 = 19,146,015.60/x - Step 3: Cross multiply
32,616,121.20x = 48,891,004.20 × 19,146,015.60 - Step 4: Simplify right side
32,616,121.20x = 936,067,929,112,865.62 - Step 5: Solve for x
x = 936,067,929,112,865.62/32,616,121.20 - Step 6: Final answer
x = 28,699,547.79
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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.