Finding the Fourth Proportional to 21,504,384.40, 32,251,483.32 and 6,151,201.60
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Solution
The fourth proportional to 21,504,384.40, 32,251,483.32 and 6,151,201.60 is: 9,225,345.50
Step by Step Solution
- Step 1: Write the proportion equation
21,504,384.40 : 32,251,483.32 = 6,151,201.60 : x - Step 2: Convert to fraction form
21,504,384.40/32,251,483.32 = 6,151,201.60/x - Step 3: Cross multiply
21,504,384.40x = 32,251,483.32 × 6,151,201.60 - Step 4: Simplify right side
21,504,384.40x = 198,385,375,800,357.31 - Step 5: Solve for x
x = 198,385,375,800,357.31/21,504,384.40 - Step 6: Final answer
x = 9,225,345.50
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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.