Finding the Fourth Proportional to 22,692,204.28, 33,861,320.35 and 20,246,545.40
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Solution
The fourth proportional to 22,692,204.28, 33,861,320.35 and 20,246,545.40 is: 30,211,906.75
Step by Step Solution
- Step 1: Write the proportion equation
22,692,204.28 : 33,861,320.35 = 20,246,545.40 : x - Step 2: Convert to fraction form
22,692,204.28/33,861,320.35 = 20,246,545.40/x - Step 3: Cross multiply
22,692,204.28x = 33,861,320.35 × 20,246,545.40 - Step 4: Simplify right side
22,692,204.28x = 685,574,759,600,912.25 - Step 5: Solve for x
x = 685,574,759,600,912.25/22,692,204.28 - Step 6: Final answer
x = 30,211,906.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.