Finding the Fourth Proportional to 22,274,652.80, 33,362,212.80 and 18,293,340.80
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Solution
The fourth proportional to 22,274,652.80, 33,362,212.80 and 18,293,340.80 is: 27,399,139.91
Step by Step Solution
- Step 1: Write the proportion equation
22,274,652.80 : 33,362,212.80 = 18,293,340.80 : x - Step 2: Convert to fraction form
22,274,652.80/33,362,212.80 = 18,293,340.80/x - Step 3: Cross multiply
22,274,652.80x = 33,362,212.80 × 18,293,340.80 - Step 4: Simplify right side
22,274,652.80x = 610,306,328,592,522.25 - Step 5: Solve for x
x = 610,306,328,592,522.25/22,274,652.80 - Step 6: Final answer
x = 27,399,139.91
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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.