Finding the Fourth Proportional to 22,341,730.80, 33,512,596.20 and 15,822,721.20
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Solution
The fourth proportional to 22,341,730.80, 33,512,596.20 and 15,822,721.20 is: 23,734,081.80
Step by Step Solution
- Step 1: Write the proportion equation
22,341,730.80 : 33,512,596.20 = 15,822,721.20 : x - Step 2: Convert to fraction form
22,341,730.80/33,512,596.20 = 15,822,721.20/x - Step 3: Cross multiply
22,341,730.80x = 33,512,596.20 × 15,822,721.20 - Step 4: Simplify right side
22,341,730.80x = 530,260,466,360,779.38 - Step 5: Solve for x
x = 530,260,466,360,779.38/22,341,730.80 - Step 6: Final answer
x = 23,734,081.80
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1.5x scale
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.