Finding the Fourth Proportional to 32,651,209.20, 48,920,826.60 and 21,285,807.60
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Solution
The fourth proportional to 32,651,209.20, 48,920,826.60 and 21,285,807.60 is: 31,892,212.51
Step by Step Solution
- Step 1: Write the proportion equation
32,651,209.20 : 48,920,826.60 = 21,285,807.60 : x - Step 2: Convert to fraction form
32,651,209.20/48,920,826.60 = 21,285,807.60/x - Step 3: Cross multiply
32,651,209.20x = 48,920,826.60 × 21,285,807.60 - Step 4: Simplify right side
32,651,209.20x = 1,041,319,302,640,562.25 - Step 5: Solve for x
x = 1,041,319,302,640,562.25/32,651,209.20 - Step 6: Final answer
x = 31,892,212.51
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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.